Add build and test ci

Author: eomielan

.github/workflows/ci.yml

@@ -0,0 +1,29 @@
+name: Build and test
+
+on:
+  push:
+    branches:
+      - main
+  pull_request:
+    branches:
+      - main
+
+jobs:
+  test:
+    runs-on: ubuntu-latest
+
+    steps:
+      - name: Checkout code
+        uses: actions/checkout@v3
+
+      - name: Set up Python
+        uses: actions/setup-python@v4
+        with:
+          python-version: '3.10'
+
+      - name: Build project
+        run: make
+
+      - name: Run tests
+        working-directory: src/test
+        run: pytest