Add lint checks action

.github/workflows/lint.yaml

@@ -0,0 +1,21 @@
+name: NextJS Lint Check
+
+on:
+  push:
+    branches: [ main, master ]
+  pull_request:
+    branches: [ main, master ]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Use Node.js 20
+      uses: actions/setup-node@v3
+      with:
+        node-version: '20'
+    - name: Install dependencies
+      run: npm install
+    - name: Run lint
+      run: npm run lint