Add auto assign script

.github/workflows/auto-assign.yml

@@ -0,0 +1,25 @@
+name: Auto Assign PR Author
+
+on:
+  pull_request:
+    types: [opened]
+
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Install GitHub CLI
+        run: |
+          sudo apt-get update
+          sudo apt-get install -y gh
+
+      - name: Auto-assign PR author
+        env:
+          GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
+        run: |
+          gh auth setup-git
+          gh pr edit ${{ github.event.pull_request.number }} --add-assignee ${{ github.event.pull_request.user.login }}