chore: add pre-commit hooks for fmt, lint, and typecheck

.pre-commit-config.yaml

@@ -0,0 +1,19 @@
+# See https://pre-commit.com for more information
+repos:
+  - repo: local
+    hooks:
+      - id: just-fmt
+        name: just fmt
+        description: Format and lint code
+        entry: just fmt
+        language: system
+        types_or: [rust, ts]
+        pass_filenames: false
+
+      - id: just-typecheck
+        name: just typecheck
+        description: TypeScript type checking across all workspaces
+        entry: just typecheck
+        language: system
+        types_or: [ts]
+        pass_filenames: false

justfile

@@ -37,6 +37,10 @@ check:
     pnpm lint
     pnpm run typecheck
 
+# TypeScript type checking across all workspaces
+typecheck:
+    pnpm -r run typecheck
+
 # Run unit tests
 unit-test:
     cargo test -p escrow-program