Create ci_cd.yml

try to do automated testing and linting and optional pypi pushing to the repo

.github/workflows/ci_cd.yml

@@ -0,0 +1,68 @@
+name: CI/CD
+
+on:
+  push:
+    branches: [ main ]
+    tags:
+      - 'v*'  # Push events to matching v*, i.e. v1.0, v20.15.10
+  pull_request:
+    branches: [ main ]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: [3.8, 3.9, '3.10', '3.11']
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+    - name: Install dependencies
+      run: |
+        pip install poetry
+        poetry install
+    - name: Run tests
+      run: |
+        poetry run pytest
+
+  lint:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+    - name: Install dependencies
+      run: |
+        pip install poetry
+        poetry install
+    - name: Run linters
+      run: |
+        poetry run flake8 .
+        poetry run black --check .
+
+  publish:
+    needs: [test, lint]
+    runs-on: ubuntu-latest
+    if: github.event_name == 'push' && startsWith(github.ref, 'refs/tags/v')
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v4
+      with:
+        python-version: '3.10'
+    - name: Install dependencies
+      run: |
+        pip install poetry
+    - name: Build and publish
+      env:
+        PYPI_TOKEN: ${{ secrets.PYPI_TOKEN }}
+      run: |
+        poetry config pypi-token.pypi $PYPI_TOKEN
+        poetry build
+        poetry publish