✨NEW: Initial commit

Code copied from:
executablebooks/markdown-it-py@3a5bdcc

Author: chrisjsewell

.flake8

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+[flake8]
+max-line-length = 100
+ignore = E203,W503

.github/workflows/tests.yml

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+# This workflow will install Python dependencies, run tests and lint with a variety of Python versions
+# For more information see: https://help.github.com/actions/language-and-framework-guides/using-python-with-github-actions
+
+name: continuous-integration
+
+on:
+  push:
+    branches: [master]
+    tags:
+      - 'v*'
+  pull_request:
+
+jobs:
+
+  pre-commit:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python 3.8
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.8
+    - uses: pre-commit/action@v2.0.0
+
+  tests:
+
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [pypy3, 3.6, 3.7, 3.8, 3.9]
+
+    steps:
+    - uses: actions/checkout@v2
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v2
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[testing]
+    - name: Run pytest
+      run: |
+        pytest --cov=mdit_py_plugins --cov-report=xml --cov-report=term-missing
+    - name: Upload to Codecov
+      uses: codecov/codecov-action@v1
+      with:
+        name: markdown-it-py-pytests
+        flags: pytests
+        file: ./coverage.xml
+        fail_ci_if_error: true
+
+  publish:
+
+    name: Publish to PyPi
+    needs: [pre-commit, tests]
+    if: github.event_name == 'push' && startsWith(github.event.ref, 'refs/tags')
+    runs-on: ubuntu-latest
+    steps:
+    - name: Checkout source
+      uses: actions/checkout@v2
+    - name: Set up Python 3.7
+      uses: actions/setup-python@v2
+      with:
+        python-version: 3.7
+    - name: Build package
+      run: |
+        pip install wheel
+        python setup.py sdist bdist_wheel
+    - name: Publish
+      uses: pypa/gh-action-pypi-publish@v1.1.0
+      with:
+        user: __token__
+        password: ${{ secrets.PYPI_KEY }}