use pkg.pr.new for dev builds

.github/workflows/preview.yml

@@ -0,0 +1,31 @@
+name: Publish Preview
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+jobs:
+  build:
+    name: Build
+    runs-on: ubuntu-latest
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Install pnpm
+        uses: pnpm/action-setup@v4
+
+      - name: Install Node 22
+        uses: actions/setup-node@v4
+        with:
+          node-version: 22
+          cache: 'pnpm'
+
+      - name: Install dependencies
+        run: pnpm install --frozen-lockfile
+
+      - name: Build
+        run: node --run build
+
+      - name: Publish to pkg.pr.new
+        run: pnpm dlx [email protected] publish --compact --pnpm .