Add flake8 Github check

.github/workflows/ci.yml

@@ -0,0 +1,24 @@
+name: CI
+on:
+    push:
+        branches:
+        - main
+    pull_request:
+    schedule:
+        - cron:  '17 3 * * 0'
+
+jobs:
+    flake8:
+        name: Flake8
+        runs-on: ubuntu-latest
+        steps:
+        -   uses: actions/checkout@v3
+        -
+            uses: actions/setup-python@v4
+            with:
+                # matches compat target in setup.py
+                python-version: '3.10'
+        -   name: "Main Script"
+            run: |
+                pip install flake8 flake8-bugbear flake8-isort flake8-quotes
+                flake8 prepare-ipynb