Added github actions testing the code.

.github/workflows/python-tests.yml

@@ -0,0 +1,40 @@
+name: Tests
+
+on:
+  push:
+    branches: [ "main" ]
+  pull_request:
+    branches: [ "main" ]
+
+permissions:
+  contents: read
+
+jobs:
+  build:
+
+    runs-on: ${{ matrix.os }}
+    strategy:
+      fail-fast: false
+      matrix:
+        python-version: ["3.10", "3.11", "3.12", "3.13"]
+        os: [ubuntu-latest, macos-latest, windows-latest]
+
+    steps:
+    - uses: actions/checkout@v4
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: ${{ matrix.python-version }}
+   - name: Install crucial dependencies
+      run: |
+        python -m ensurepip --upgrade
+        python -m pip install --upgrade setuptools
+        python -m pip install --upgrade pip
+        pip install tox
+    - name: Test with tox
+      run: |
+        tox
+        #    - name: Upload results to Codecov
+        #      uses: codecov/codecov-action@v4
+        #      with:
+        #        token: ${{ secrets.CODECOV_TOKEN }}