Add GitHub Action CI

.github/workflows/ci.yaml

@@ -0,0 +1,26 @@
+name: CI
+
+on:
+  pull_request:
+    branches:
+      - 'main'
+  push:
+    branches:
+      - 'main'
+
+jobs:
+  test:
+    runs-on: macOS-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Build and Test
+      run: swift test
+
+  swiftlint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: GitHub Action for SwiftLint
+      uses: norio-nomura/[email protected]
+      with:
+        args: --config .swiftlint.yml

README.md

@@ -54,5 +54,5 @@ You can automatically format your code using:
 ## Running tests from cmd-line
 
 ```shell
-./scripts/run_tests.sh
+swift test
 ```