ci: setup github action to build and test

.github/workflows/ci.yml

@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - '*'
+  workflow_dispatch:
+
+concurrency:
+  group: ci-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  build-and-test:
+    name: Build and Test
+    runs-on: macos-13
+    steps:
+      - uses: actions/checkout@v4
+      - name: Select Xcode 15.2
+        run: sudo xcode-select -s /Applications/Xcode_15.2.app
+      - name: Build
+        run: swift build
+      - name: Test
+        run: swift test --enable-code-coverage