add github actions workflow

.github/workflows/pull_request.yaml

@@ -0,0 +1,29 @@
+name: Pull Request
+
+on: push
+jobs:
+  create-pull-request:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Create Pull Request
+        uses: actions/github-script@v6
+        with:
+          script: |
+            const { repo, owner } = context.repo;
+            const result = await github.rest.pulls.create({
+              title: '[Example] Simple demo',
+              owner,
+              repo,
+              head: '${{ github.ref_name }}',
+              base: 'develop',
+              body: [
+                'This PR is auto-generated by',
+                '[actions/github-script](https://github.com/actions/github-script).'
+              ].join('\n')
+            });
+            github.rest.issues.addLabels({
+              owner,
+              repo,
+              issue_number: result.data.number,
+              labels: ['feature', 'automated pr']
+            });