add gh actions build

.github/workflows/commit_gate.yml

@@ -0,0 +1,33 @@
+name: Commit Gate
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v3
+      with:
+        node-version: '20'  # Or any other version you need
+
+    - name: Install dependencies
+      run: npm ci --prefix src/
+
+    - name: Build
+      run: npm run build --prefix src/
+
+    - name: Install test dependencies
+      run: npm ci --prefix tests/
+
+    - name: Run tests
+      run: npm run test --prefix tests/

.github/workflows/release.yml

@@ -0,0 +1,36 @@
+name: Publish npm package
+
+on:
+  push:
+    tags: v*
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+    permissions:
+      contents: read
+      id-token: write
+
+    steps:
+    - name: checkout code
+      uses: actions/checkout@v3
+
+    - name: Set up Node.js
+      uses: actions/setup-node@v4
+      with:
+        node-version: '20'
+        registry-url: 'https://registry.npmjs.org'
+
+    - name: Create npm package
+      run: |
+        cd src
+        npm version ${{ steps.get_version.outputs.version_number }}
+        npm pack
+    
+    - name: Publish package
+      run: |
+        cd src
+        npm publish --provenance --access public
+      env:
+        NODE_AUTH_TOKEN: ${{ secrets.NPM_TOKEN }}