Add pkg.pr.new workflow

Author: cometkim

.github/workflows/ci.yml

@@ -550,13 +550,37 @@ jobs:
         shell: bash
         working-directory: ${{ steps.tmp-dir.outputs.path }}
 
-  publish:
+  publish-pr:
     needs: [package, installationTest]
+    if: github.event_name == 'pull_request'
+    runs-on: ubuntu-24.04-arm
+    steps:
+      - name: Checkout
+        uses: actions/checkout@v4
 
-    if: startsWith(github.ref, 'refs/tags/v')
+      - name: Use Node.js
+        uses: actions/setup-node@v4
+        with:
+          cache: yarn
+          node-version-file: .nvmrc
 
-    runs-on: ubuntu-24.04-arm
+      - name: Download artifacts
+        uses: actions/download-artifact@v4
+        with:
+          name: npm-packages
+
+      - name: Move artifacts into packages
+        run: .github/workflows/moveArtifacts.sh
+        shell: bash
 
+      - name: Publish packages to pkg.pr.new
+        run: |
+          yarn dlx pkg-pr-new publish "." "./packages/@rescript/*"
+
+  publish:
+    needs: [package, installationTest]
+    if: startsWith(github.ref, 'refs/tags/v')
+    runs-on: ubuntu-24.04-arm
     steps:
       - name: Checkout
         uses: actions/checkout@v4