Add GitHub workflows

.github/workflows/check.yml

@@ -0,0 +1,24 @@
+name: Lint code
+
+on:
+  workflow_call:
+  push:
+    paths: [next]
+
+defaults:
+  run:
+    working-directory: next
+
+jobs:
+    check:
+        runs-on: ubuntu-latest
+        steps:
+            - uses: actions/checkout@v4
+            - name: Setup Node.js
+              uses: actions/setup-node@v4
+              with:
+                node-version: 20
+            - name: Install dependencies
+              run: make pnpm install
+            - name: Format and lint
+              run: make lint

.github/workflows/deploy.yml

@@ -0,0 +1,59 @@
+name: Deploy to GitHub Pages
+on:
+  pull_request:
+    types: [closed]
+    paths: [next]
+    branches: [main]
+
+defaults:
+  run:
+    working-directory: next
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  check:
+    uses: ./.github/workflows/check.yml
+  build:
+    if: github.event.pull_request.merged == true
+    needs: [check]
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+            node-version: 20
+      - name: Setup GitHuib Pages
+        uses: actions/configure-pages@v5
+        with:
+          static_site_generator: next
+      - name: Install dependencies
+        run: make pnpm install
+
+      - name: Build with Next.js
+        run: pnpm build
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v3
+        with:
+          path: ./out
+
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+
+    runs-on: ubuntu-latest
+    needs: build
+
+    steps:
+      - name: Publish to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v4

next/Makefile

@@ -7,7 +7,7 @@ install:
 format:
 	pnpm format
 
-lint: format
+lint:
 	pnpm lint
 
 local: