add CI

.github/workflows/ci.yml

@@ -0,0 +1,26 @@
+name: Build and Test library
+on: 
+  push:
+    branches: [main]
+  pull_request:
+jobs:
+  build:
+    runs-on: [macos-latest]
+    env:
+      XC_VERSION: ${{ '15.2' }}
+    steps:
+    - name: Select latest Xcode
+      run: "sudo xcode-select -s /Applications/Xcode_$XC_VERSION.app"
+    - uses: actions/checkout@v3
+    - name: Run Unit and UI Tests
+      run: swift test
+  lint:
+    runs-on: ubuntu-latest
+    container:
+      image: ghcr.io/realm/swiftlint:latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: SwiftLint
+      run: |
+        swiftlint --reporter github-actions-logging --strict