Add Github workflow for CI

.github/workflows/ci.yaml

@@ -0,0 +1,29 @@
+name: "CI"
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v3
+      with:
+        node-version: latest
+    - run: npm ci
+    - run: npm run lint
+    - run: npm run format -- --check
+    - run: npm run compile
+
+  build:
+    - uses: actions/checkout@v4
+    - uses: actions/setup-node@v3
+      with:
+        node-version: latest
+    - name: Install gnome-shell
+      run: |
+        sudo apt-get update -qq
+        sudo apt-get install --no-install-recommends -qq -y gnome-shell
+    - run: npm ci
+    - run: npm run build
+    - uses: actions/upload-artifact@v3
+      with:
+        path: [email protected]