ci: add automatic deployment

.github/workflows/deploy-master.yaml

@@ -0,0 +1,53 @@
+name: Update GitHub Pages
+
+on:
+  # Trigger the workflow on push to master/main branch
+  push:
+    branches:
+      - master
+      - main
+  # Allows manual triggering from the Actions tab
+  workflow_dispatch:
+
+jobs:
+  update-gh-pages:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout the repository
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: '0' # Fetch all history so we can push to gh-pages
+
+      - name: Set up Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: '22'  # Specify the Node.js version you use
+
+      - name: Install dependencies
+        run: yarn install --frozen-lockfile
+
+      - name: Build Docusaurus site
+        run: yarn build
+
+      - name: Checkout gh-pages branch
+        run: |
+          git config --local user.email "[email protected]"
+          git config --local user.name "GitHub Actions"
+          git fetch origin gh-pages
+          git switch gh-pages
+
+      - name: Remove old site directory
+        run: rm -rf ./site
+
+      - name: Move build to site directory
+        run: mv ./build ./site
+
+      - name: Commit changes
+        run: |
+          TIMESTAMP=$(date +"%Y-%m-%d %H:%M")
+          git add site/*
+          git commit -m "Update site with new build - $TIMESTAMP"
+
+      - name: Push changes to gh-pages branch
+        run: git push origin gh-pages