Adding flake8 in CI - Issue 5

Author: ArturU043

.github/workflows/CI.yml

@@ -6,6 +6,22 @@ on:
   workflow_dispatch:
 
 jobs:
+
+  flake8:
+    runs-on: ubuntu-latest
+
+    steps:
+      - uses: actions/checkout@v4
+
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.x"
+
+      - name: Lint with Flake8
+        run: |
+          pipx run flake8
+          
   test:
     runs-on: ubuntu-latest