CI workflow for Python application

Created a workflow to install the app and run all tests using `unittest`.

Author: stefanogermano

.github/workflows/python-app.yml

@@ -0,0 +1,40 @@
+# This workflow will install Python dependencies, run tests and lint with a single version of Python
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python application
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master", "develop" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python 3.10
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.10"
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .
+# FIXME set up linting
+#     pip install flake8
+# - name: Lint with flake8
+#   run: |
+#     # stop the build if there are Python syntax errors or undefined names
+#     flake8 . --count --select=E9,F63,F7,F82 --show-source --statistics
+#     # exit-zero treats all errors as warnings. The GitHub editor is 127 chars wide
+#     flake8 . --count --exit-zero --max-complexity=10 --max-line-length=127 --statistics
+    - name: Test with unittest
+      run: |
+        python -m unittest discover -s tests -p '*_test.py'