Implemented the full clean rewrite for Gitea

.gitea/workflows/test.yml

@@ -0,0 +1,32 @@
+name: Test blackout notifier
+
+on:
+  push:
+    paths-ignore:
+      - state/outages.json
+  pull_request:
+  workflow_dispatch:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+      - name: Check out repository
+        uses: https://gitea.com/actions/checkout@v4
+
+      - name: Set up Python
+        uses: https://gitea.com/actions/setup-python@v5
+        with:
+          python-version: "3.13"
+
+      - name: Install project
+        run: python -m pip install -e '.[test]'
+
+      - name: Lint
+        run: ruff check .
+
+      - name: Check formatting
+        run: ruff format --check .
+
+      - name: Test
+        run: pytest