ci(assign): add github action to auto-assign issues

Author: wopian

.github/workflows/auto-assign.yml

@@ -0,0 +1,13 @@
+name: Auto Assign
+on:
+  issues:
+    types: [opened]
+jobs:
+  auto-assign:
+    runs-on: ubuntu-latest
+    steps:
+    - name: 'Auto Assign Issues'
+      uses: pozil/auto-assign-issue@v1
+      with:
+        repo-token: ${{ secrets.GITHUB_TOKEN }}
+        assignees: wopian