Add Python Black Suggest for PR reviews

Signed-off-by: Yong Tang <[email protected]>

Author: yongtang

.github/workflows/suggest.yml

@@ -0,0 +1,18 @@
+name: Review Suggestion
+
+on:
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  black:
+    name: Python Black
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - uses: psf/black@stable
+        with:
+          options: "--verbose"
+          version: "21.10b0"
+      - uses: reviewdog/action-suggester@v1