add pr preview workflow

Author: Roshanjossey

.github/workflows/pr-preview.yml

@@ -0,0 +1,45 @@
+name: Deploy PR Preview
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - closed
+  workflow_dispatch:
+
+concurrency: preview-${{ github.ref }}
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+
+      - name: Setup Node.js
+        uses: actions/setup-node@v4
+        with:
+          node-version: "20"
+
+      - name: Setup pnpm
+        uses: pnpm/action-setup@v4
+        with:
+          version: latest
+
+      - name: Install dependencies
+        if: github.event.action != 'closed'
+        run: pnpm install
+
+      - name: Build
+        if: github.event.action != 'closed'
+        run: pnpm build
+
+      - name: Deploy preview
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: ./dist
+          preview-branch: gh-pages
+          umbrella-dir: pr-preview
+          action: auto