CI: Add a Workflow

Co-authored-by: Edoardo Zoni <ezoni@lbl.gov>

Author: ax3l

.github/workflows/unit_tests.yml

@@ -0,0 +1,29 @@
+name: pals
+
+on:
+  push:
+    branches:
+      - "main"
+  pull_request:
+
+concurrency:
+  group: ${{ github.ref }}-${{ github.head_ref }}-pals
+  cancel-in-progress: true
+
+jobs:
+  unit_tests:
+    name: unit tests
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/checkout@v4
+      - name: Set up Python
+        uses: actions/setup-python@v5
+        with:
+          python-version: "3.13"
+      - name: Install dependencies
+        run: |
+          python -m pip install --upgrade pip
+          pip install -r requirements.txt
+      - name: Test
+        run: |
+          pytest tests -v