init preview builds for PRs

.github/workflows/deploy.yml

@@ -49,4 +49,10 @@ jobs:
     steps:
       - name: Deploy to GitHub Pages
         id: deployment
-        uses: actions/deploy-pages@v4
+        uses: JamesIves/github-pages-deploy-action@v4
+        with:
+          clean-exclude: pr-preview/
+        with:
+          folder: build
+        with:
+          force: false

.github/workflows/pr-preview.yml

@@ -0,0 +1,40 @@
+# .github/workflows/preview.yml
+name: Deploy PR previews
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - closed
+  label:
+    types:
+      - preview
+
+concurrency: preview-${{ github.ref }}
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-20.04
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+      - uses: actions/setup-node@v4
+        with:
+          node-version: 18
+          cache: yarn
+      - name: Get submodules
+        run: git submodule init && git submodule update --remote --merge
+      - name: Install and Build
+        if: github.event.action != 'closed' # You might want to skip the build if the PR has been closed
+        run: |
+          yarn install --frozen-lockfile
+          yarn build
+
+      - name: Deploy preview
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: ./build/