fix(workflow): pull format (#70)

.github/workflows/pull_format.yml

@@ -0,0 +1,33 @@
+name: pull format
+
+on: [pull_request]
+
+jobs:
+  pull_format:
+    permissions:
+      actions: write
+      checks: write
+      contents: write
+    runs-on: ubuntu-latest
+    continue-on-error: true
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          ref: ${{ github.head_ref }}
+
+      - name: Set up Python ${{ matrix.python-version }}
+        uses: actions/setup-python@v4
+        with:
+          python-version: ${{ matrix.python-version }}
+
+      - name: Install Black
+        run: pip install black
+
+      - name: Run Black
+        # run: black $(git ls-files '*.py')
+        run: black .
+
+      - name: Commit Back
+        uses: stefanzweifel/git-auto-commit-action@v4
+        with:
+          commit_message: Apply Code Formatter Change