feat: preview workflow

Author: steveiliop56

.github/workflows/preview.yml

@@ -0,0 +1,43 @@
+name: Deploy PR previews
+
+on:
+  pull_request:
+    types:
+      - opened
+      - reopened
+      - synchronize
+      - closed
+
+concurrency: preview-${{ github.ref }}
+
+jobs:
+  deploy-preview:
+    runs-on: ubuntu-latest
+    if: github.event.action != 'closed'
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
+        with:
+          fetch-depth: 0
+
+      - name: Setup bun
+        uses: oven-sh/setup-bun@v2
+
+      - name: Cache bun dependencies
+        uses: actions/cache@v4
+        with:
+          path: ~/.bun/install/cache
+          key: ${{ runner.os }}-bun-web-${{ hashFiles('bun.lockb') }}
+          restore-keys: |
+            ${{ runner.os }}-bun-web-
+
+      - name: Install dependencies
+        run: bun install
+
+      - name: Build website
+        run: bun run build
+
+      - name: Deploy preview
+        uses: rossjrw/pr-preview-action@v1
+        with:
+          source-dir: ./build/