Add a workflow to deploy nextjs on github pages

.github/workflows/frontend.yaml

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+# Sample workflow for building and deploying a Next.js site to GitHub Pages
+#
+# To get started with Next.js see: https://nextjs.org/docs/getting-started
+#
+name: Deploy Next.js site to Pages
+
+#on:
+#  # Runs on pushes targeting the default branch
+#  push:
+#    branches: ["main"]
+#  # Allows you to run this workflow manually from the Actions tab
+#  workflow_dispatch:
+
+on: [push]
+
+# Sets permissions of the GITHUB_TOKEN to allow deployment to GitHub Pages
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+
+# Allow only one concurrent deployment, skipping runs queued between the run in-progress and latest queued.
+# However, do NOT cancel in-progress runs as we want to allow these production deployments to complete.
+concurrency:
+  group: "pages"
+  cancel-in-progress: false
+
+jobs:
+  # Build job
+  build:
+    runs-on: ubuntu-latest
+    # Use ``frontend`` as the working directory
+    # https://docs.github.com/en/actions/using-workflows/workflow-syntax-for-github-actions#jobsjob_iddefaultsrun
+    defaults:
+      run:
+        working-directory: ./frontend
+    strategy:
+      matrix:
+        node-version: [18.17.1]
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v3
+      - name: Set up pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+      - name: Setup Node
+        uses: actions/setup-node@v3
+        with:
+          node-version: ${{ matrix.node-version }}
+          cache: "pnpm"
+      - name: Install dependencies
+        run: pnpm install
+      - name: Setup Pages
+        uses: actions/configure-pages@v3
+        with:
+          # Automatically inject basePath in your Next.js configuration file and disable
+          # server side image optimization (https://nextjs.org/docs/api-reference/next/image#unoptimized).
+          #
+          # You may remove this line if you want to manage the configuration yourself.
+          static_site_generator: next
+      - name: Build with Next.js
+        run: pnpm next build
+      - name: Static HTML export with Next.js
+        run: pnpm next export
+      - name: Upload artifact
+        uses: actions/upload-pages-artifact@v2
+        with:
+          path: ./out
+
+  # Deployment job
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    needs: build
+    steps:
+      - name: Deploy to GitHub Pages
+        id: deployment
+        uses: actions/deploy-pages@v2