build site with bun (#32)

.github/workflows/test.yml

@@ -13,11 +13,11 @@ jobs:
     steps:
       - name: Checkout repository
         uses: actions/checkout@v4
-      - name: Setup Node
-        uses: actions/setup-node@v4
+      - name: Setup Bun
+        uses: oven-sh/setup-bun@v2
         with:
-          node-version: "latest"
-      - name: Run Node install and build
+          bun-version: "latest"
+      - name: Run Bun install and build
         run: |
-          npm ci
-          npm run build
+          bun install --frozen-lockfile
+          bun run build