Add CI workflow - flake8 lint on push

Author: ASEIcode

.github/workflows/ci.yml

@@ -0,0 +1,14 @@
+name: CI
+
+on: [push]
+
+jobs:
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v3
+      - uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+      - run: pip install flake8
+      - run: flake8 . --count --max-line-length=120 --statistics --ignore=E501,W503,E302,W291