Add CICD pipeline

Author: interwebshack

.github/workflows/ci.yml

@@ -0,0 +1,38 @@
+# .github/workflows/ci.yml
+name: CI
+on:
+  push:
+    branches: [feature/initial-design]
+  pull_request:
+    branches: [main]
+
+jobs:
+  ci:
+    name: "pyCosign CI Pipeline | (Python ${{ matrix.python-version }})"
+    strategy:
+      matrix:
+        python-version: ["3.10"]
+        poetry-version: ["2.1.3"]
+        os: [ubuntu-22.04]
+    runs-on: ${{ matrix.os }}
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: ${{ matrix.python-version }}
+      - name: Install poetry
+        uses: abatilo/actions-poetry@v4
+      - name: Setup a local virtual environment (if no poetry.toml file)
+        run: |
+          poetry config virtualenvs.create true --local
+          poetry config virtualenvs.in-project true --local
+      - uses: actions/cache@v3
+        name: Define a cache for the virtual environment based on the dependencies lock file
+        with:
+          path: ./.venv
+          key: venv-${{ hashFiles('poetry.lock') }}
+      - name: Install the project dependencies
+        run: poetry install
+      - name: Run Black in check mode
+        run: poetry run black --check --verbose pycosign