Make a new action to suggest changes to PRs

.github/workflows/black_pr.yml

@@ -0,0 +1,18 @@
+name: black-action-pr
+on: pull_request
+jobs:
+  linter_name:
+    name: runner / black
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Check files using the black formatter
+        uses: rickstaa/action-black@v1
+        id: action_black
+        with:
+          black_args: "."
+      - name: Annotate diff changes using reviewdog
+        if: steps.action_black.outputs.is_formatted == 'true'
+        uses: reviewdog/action-suggester@v1
+        with:
+          tool_name: blackfmt