black linter action

Author: OmegaLambda1998

.github/workflows/black-formatter.yml

@@ -15,5 +15,5 @@ jobs:
         - uses: actions/checkout@v3
         - uses: psf/black@stable
           with:
-              options: "--check --verbose"
+              options: "--check --verbose --diff"
               version: "~= 22.0"