fix: more info and ci

Signed-off-by: yihong0618 <zouzou0208@gmail.com>

.github/workflows/CI.yaml

@@ -0,0 +1,27 @@
+name: CI
+
+on:
+  push:
+    branches: [main]
+  pull_request:
+    branches: [main]
+  workflow_dispatch:
+
+concurrency:
+  group: ${{ github.event.number || github.run_id }}
+  cancel-in-progress: true
+
+jobs:
+  testing:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - name: install python 3.9
+        uses: actions/setup-python@v4
+        with:
+          python-version: "3.9"
+          cache: "pip" # caching pip dependencies
+      - name: Check formatting (black)
+        run: |
+          pip install black
+          black . --check