Add linting workflow

Author: hamiltoq

.github/workflows/lint.yml

@@ -0,0 +1,20 @@
+name: Python Lint
+
+on: [push, pull_request]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Install flake8
+        run: pip install flake8
+
+      - name: Run flake8
+        run: flake8 .