Added automated Black linter

.github/workflows/lint.yml

@@ -0,0 +1,22 @@
+name: Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v2
+      - name: Set up Python
+        uses: actions/setup-python@v1
+        with:
+          python-version: 3.8
+      - name: Install Black
+        run: pip install black 
+      - name: Run linters
+        uses: samuelmeuli/lint-action@v1
+        with:
+          github_token: ${{ secrets.github_token }}
+          black: true
+          auto_fix: true
+          commit_message: "Code style standardization"