[+] Create deploy-to-branch.yml

.github/workflows/deploy-to-branch.yml

@@ -0,0 +1,55 @@
+name: GitHub Pages (Branch Invoked)
+# To see the workflow clearer, I try to deploy first to a branch and then publish it.
+
+on:
+  push:
+    branches:
+      - main # Set a branch to deploy
+  pull_request:
+  workflow_dispatch:
+
+permissions:
+  contents: read
+  pages: write
+  id-token: write
+  deployments: write
+
+concurrency:
+  group: 'pages'
+  cancel-in-progress: true
+
+jobs:
+  deploy:
+    environment:
+      name: github-pages
+      url: ${{ steps.deployment.outputs.page_url }}
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0 # Fetch all history for .GitInfo and .Lastmod
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v2
+        with:
+          version: 8
+      - name: Setup Node.js
+        uses: actions/setup-node@v3
+        with:
+          node-version: '18'
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm i
+      - name: Build page
+        run: pnpm docs:build
+
+      - name: Deploy
+        uses: peaceiris/actions-gh-pages@v3
+        if: ${{ github.ref == 'refs/heads/main' }}
+        with:
+          github_token: ${{ secrets.GITHUB_TOKEN }}
+          publish_dir: ./public
+          publish_branch: deploy
+          cname: oneamongus.ca
+          destination_dir: ./.