Feature/automate unit testing

.github/workflows/ci-pipeline.yaml

@@ -0,0 +1,47 @@
+name: Continuous Integration
+
+# Run only on main and feature branches if Python files were changed
+on:
+  push:
+    branches:
+      - main
+      - 'feature/**'
+    # Deactivated for testing
+    # paths:
+    #   - '**.py'
+
+env:
+  PYTHON_IMAGE: 'python:3.12-slim'
+  POETRY_VERSION: 2.1.2
+
+jobs:
+  unit-tests:
+    name: Run Unit Tests
+    runs-on: ubuntu-latest
+    container: python:3.12-slim # TODO: How to use a variable here?
+    env:
+      POETRY_HOME: '/opt/poetry'
+    steps:
+      - name: Checkout repository
+        uses: actions/checkout@v4
+
+      - name: Setup Poetry
+        run: |
+          python -m venv $POETRY_HOME
+          $POETRY_HOME/bin/pip install --no-cache-dir poetry==$POETRY_VERSION
+
+      - name: Install Dependencies
+        run: |
+          cd $GITHUB_WORKSPACE
+          $POETRY_HOME/bin/poetry install --no-root --no-interaction --with=dev
+
+      - name: Run Pytest
+        run: |
+          $POETRY_HOME/bin/poetry run pytest tests/ -v
+
+  another-job:
+    name: I will eventually be a useful job
+    runs-on: ubuntu-latest
+    needs: unit-tests
+    steps:
+      - run: echo "The unit tests were successful!"