ci: add integration

.github/workflows/continuous-integration.yml

@@ -0,0 +1,32 @@
+name: Continuous Integration
+
+on:
+  # Trigger the workflow on push or pull request,
+  # but only for the main branch
+  push:
+    branches:
+      - main
+  pull_request_target:
+    branches:
+      - main
+
+jobs:
+  Lint:
+    name: Linting
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Check out Git repository
+        uses: actions/checkout@2541b1294d2704b0964813337f33b291d3f8596b # tag=v3
+
+      - name: Set up Node.js
+        uses: actions/setup-node@2fddd8803e2f5c9604345a0b591c3020ee971a93 # tag=v3
+        with:
+          node-version: 17
+
+      # Prettier must be in `package.json`
+      - name: Install Node.js dependencies
+        run: npm i -g prettier
+
+      - name: Run Prettier
+        run: prettier . --read