Add CI

Author: uhooi

.github/workflows/main.yml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  push:
+    branches: [ main ]
+  pull_request:
+    branches: [ main ]
+
+env:
+  DEVELOPER_DIR: /Applications/Xcode_12.4.app
+
+jobs:
+  build:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Build
+      run: swift build -v
+
+  test:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v2
+    - name: Test
+      run: swift test -v
+