Add comprehensive lints and CI/CD pipeline

.github/workflows/ci.yml

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+name: CI
+
+on:
+  push:
+    branches: [ main, develop ]
+  pull_request:
+    branches: [ main, develop ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        rust:
+          - stable
+          - beta
+          - nightly
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@master
+      with:
+        toolchain: ${{ matrix.rust }}
+        components: rustfmt, clippy
+
+    - name: Cache cargo registry
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/registry
+        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo index
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/git
+        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo build
+      uses: actions/cache@v4
+      with:
+        path: target
+        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Check formatting
+      run: cargo fmt --all -- --check
+
+    - name: Run clippy
+      run: cargo clippy --all-targets --all-features -- -D warnings
+
+    - name: Build
+      run: cargo build --verbose
+
+    - name: Run tests
+      run: cargo test --verbose
+
+    - name: Run tests with all features
+      run: cargo test --all-features --verbose
+
+    - name: Run tests without default features
+      run: cargo test --no-default-features --verbose
+
+  security_audit:
+    name: Security Audit
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+    - uses: rustsec/audit-check@v1.4.1
+      with:
+        token: ${{ secrets.GITHUB_TOKEN }}
+
+  coverage:
+    name: Code Coverage
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: llvm-tools-preview
+
+    - name: Install cargo-llvm-cov
+      uses: taiki-e/install-action@cargo-llvm-cov
+
+    - name: Generate code coverage
+      run: cargo llvm-cov --all-features --workspace --lcov --output-path lcov.info
+
+    - name: Upload coverage to Codecov
+      uses: codecov/codecov-action@v4
+      with:
+        files: lcov.info
+        fail_ci_if_error: true
+

.github/workflows/docs.yml

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+name: Documentation
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  docs:
+    name: Build and Deploy Documentation
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+
+    - name: Cache cargo registry
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/registry
+        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo index
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/git
+        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo build
+      uses: actions/cache@v4
+      with:
+        path: target
+        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Build documentation
+      run: cargo doc --all-features --no-deps
+
+    - name: Deploy to GitHub Pages
+      if: github.ref == 'refs/heads/main'
+      uses: peaceiris/actions-gh-pages@v4
+      with:
+        github_token: ${{ secrets.GITHUB_TOKEN }}
+        publish_dir: ./target/doc
+        force_orphan: true
+
+  docs_rs_check:
+    name: Check docs.rs compatibility
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust nightly
+      uses: dtolnay/rust-toolchain@nightly
+
+    - name: Install cargo-docs-rs
+      run: cargo install cargo-docs-rs
+
+    - name: Check docs.rs build
+      run: cargo docs-rs

.github/workflows/release.yml

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+name: Release
+
+on:
+  push:
+    tags:
+      - 'v*'
+
+env:
+  CARGO_TERM_COLOR: always
+
+jobs:
+  test:
+    name: Test Suite
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        components: rustfmt, clippy
+
+    - name: Cache cargo registry
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/registry
+        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo index
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/git
+        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo build
+      uses: actions/cache@v4
+      with:
+        path: target
+        key: ${{ runner.os }}-cargo-build-target-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Check formatting
+      run: cargo fmt --all -- --check
+
+    - name: Run clippy
+      run: cargo clippy --all-targets --all-features -- -D warnings
+
+    - name: Build
+      run: cargo build --verbose
+
+    - name: Run tests
+      run: cargo test --verbose
+
+    - name: Run tests with all features
+      run: cargo test --all-features --verbose
+
+  build:
+    name: Build Release Binaries
+    needs: test
+    runs-on: ${{ matrix.os }}
+    strategy:
+      matrix:
+        include:
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-gnu
+            artifact_name: submod
+            asset_name: submod-linux-x86_64
+          - os: ubuntu-latest
+            target: x86_64-unknown-linux-musl
+            artifact_name: submod
+            asset_name: submod-linux-x86_64-musl
+          - os: windows-latest
+            target: x86_64-pc-windows-msvc
+            artifact_name: submod.exe
+            asset_name: submod-windows-x86_64.exe
+          - os: macos-latest
+            target: x86_64-apple-darwin
+            artifact_name: submod
+            asset_name: submod-macos-x86_64
+          - os: macos-latest
+            target: aarch64-apple-darwin
+            artifact_name: submod
+            asset_name: submod-macos-aarch64
+
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+      with:
+        targets: ${{ matrix.target }}
+
+    - name: Install musl-tools (Linux musl)
+      if: matrix.target == 'x86_64-unknown-linux-musl'
+      run: sudo apt-get update && sudo apt-get install -y musl-tools
+
+    - name: Cache cargo registry
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/registry
+        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo index
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/git
+        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo build
+      uses: actions/cache@v4
+      with:
+        path: target
+        key: ${{ runner.os }}-cargo-build-target-${{ matrix.target }}-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Build
+      run: cargo build --release --target ${{ matrix.target }}
+
+    - name: Upload artifact
+      uses: actions/upload-artifact@v4
+      with:
+        name: ${{ matrix.asset_name }}
+        path: target/${{ matrix.target }}/release/${{ matrix.artifact_name }}
+
+  publish:
+    name: Publish to crates.io
+    needs: [test, build]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+      with:
+        submodules: recursive
+
+    - name: Install Rust
+      uses: dtolnay/rust-toolchain@stable
+
+    - name: Cache cargo registry
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/registry
+        key: ${{ runner.os }}-cargo-registry-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Cache cargo index
+      uses: actions/cache@v4
+      with:
+        path: ~/.cargo/git
+        key: ${{ runner.os }}-cargo-index-${{ hashFiles('**/Cargo.lock') }}
+
+    - name: Publish to crates.io
+      run: cargo publish --token ${{ secrets.CRATESIO_KEY }}
+
+  github_release:
+    name: Create GitHub Release
+    needs: [test, build, publish]
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Download all artifacts
+      uses: actions/download-artifact@v4
+
+    - name: Create Release
+      uses: softprops/action-gh-release@v2
+      with:
+        files: |
+          submod-linux-x86_64/submod
+          submod-linux-x86_64-musl/submod
+          submod-windows-x86_64.exe/submod.exe
+          submod-macos-x86_64/submod
+          submod-macos-aarch64/submod
+        generate_release_notes: true
+        draft: false
+        prerelease: false
+      env:
+        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+