refactor: unify Telegram delivery and add quality checks

.github/workflows/quality.yml

@@ -0,0 +1,29 @@
+name: quality
+
+on:
+  push:
+  pull_request:
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.10", "3.12"]
+
+    steps:
+      - uses: actions/checkout@v4
+      - uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+          cache: pip
+      - name: Install test dependencies
+        run: |
+          python -m pip install --upgrade pip
+          python -m pip install -r requirements-common.txt -r requirements-dev.txt
+      - name: Lint
+        run: python -m ruff check .
+      - name: Test with coverage
+        run: |
+          python -m coverage run -m unittest discover -v
+          python -m coverage report