add CI for tests and linting

.github/workflows/test.yml

@@ -0,0 +1,42 @@
+name: Tests & Linting
+
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    strategy:
+      matrix:
+        python-version: ["3.8", "3.9", "3.10", "3.11", "3.12", "3.13"]
+
+    steps:
+    - uses: actions/checkout@v4
+
+    - name: Set up Python ${{ matrix.python-version }}
+      uses: actions/setup-python@v4
+      with:
+        python-version: ${{ matrix.python-version }}
+
+    - name: Install dependencies
+      run: |
+        python -m pip install --upgrade pip
+        pip install .[test]
+        pip install ruff isort pytest pytest-asyncio
+
+    - name: Check import sorting with isort
+      run: |
+        isort --check --diff .
+
+    - name: Lint with Ruff
+      run: |
+        ruff check .
+
+    - name: Run tests
+      run: |
+        pytest tests/ -v