ci: add a python lint workflow

Linter: https://github.com/psf/black
Signed-off-by: Ihor Solodrai <[email protected]>

Author: theihor

.github/workflows/lint.yml

@@ -0,0 +1,10 @@
+name: Lint
+
+on: [pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - uses: psf/black@stable