feat: added checking formatting workflow

.github/workflows/python-package.yml

@@ -0,0 +1,27 @@
+name: check_lint
+on:
+  push:
+  pull_request:
+
+concurrency:
+  group: check-${{ github.ref }}
+  cancel-in-progress: true
+
+jobs:
+  test:
+    name: Check formatting
+    runs-on: ubuntu-latest
+    strategy:
+      fail-fast: false
+    steps:
+      - uses: actions/checkout@v3
+        with:
+          fetch-depth: 0
+      - name: Setup python for test py3.11
+        uses: actions/setup-python@v4
+        with:
+          python-version: py3.11
+      - name: Install tox
+        run: python -m pip install '.[test]'
+      - name: Run test suite
+        run: tox -e lint

tox.ini

@@ -0,0 +1,12 @@
+[tox]
+skipsdist = true
+
+[testenv:cov]
+allowlist_externals = pytest
+commands =
+    pytest --doctest-modules tests --cov --cov-config=pyproject.toml --cov-report=xml
+
+[testenv:lint]
+allowlist_externals = pylint
+commands =
+    pylint mkpdfs_mkdocs/