add CI

Author: JulienChampagnol

.github/workflows/CI.yml

@@ -0,0 +1,20 @@
+name: CI
+
+on:
+  push:
+    branches: [master, next]
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+    steps:
+    - uses: actions/checkout@v3
+    - name: Set up Python
+      uses: actions/setup-python@v3
+      with:
+        python-version: "3.9"
+    - name: Test
+      run: |
+        pip install pytest
+        pip install -r requirements.txt
+        pytest