Added GitHub CI pipeline

.github/workflows/unittests.yml

@@ -0,0 +1,28 @@
+# This workflow will run all unittest suites with Python 3.10
+# For more information see: https://docs.github.com/en/actions/automating-builds-and-tests/building-and-testing-python
+
+name: Python unit tests
+
+on:
+  push:
+    branches: [ "master" ]
+  pull_request:
+    branches: [ "master" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ubuntu-latest
+
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python 3.12
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.12"
+    - name: Run all unit tests
+      run: |
+        python -m unittest discover -s tests