Add CI workflow

.github/workflows/CI.yml

@@ -0,0 +1,33 @@
+name: CI
+
+on: [push, pull_request]
+
+jobs:
+  build:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        node: [ 19, 20, 21 ]
+
+    steps:
+      - name: Checkout 🛎️
+        uses: actions/checkout@v4
+        with:
+          persist-credentials: false
+
+      - name: Setup Node 🎯
+        uses: actions/setup-node@v4
+        with:
+          node-version: ${{ matrix.node }}
+
+      - name: Install dependencies 💿
+        run: npm ci
+
+      - name: Run linter ⚡
+        run: next lint
+
+      - name: Run tests ✅
+        run: npm test
+
+      - name: Run build 🔨
+        run: next build

README.md

@@ -15,17 +15,17 @@ npm ci
 
 Run server on [http://localhost:3000](http://localhost:3000)
 ```bash
-npm run dev
+next start
 ```
 
 Build
 ```bash
-npm run build
+next build
 ```
 
-Run tests
+Run linter
 ```bash
-npm test
+next lint
 ```
 
 ## License