👷 Add CI for automated python code testing

.github/workflows/python-tests.yml

@@ -0,0 +1,25 @@
+name: python-tests
+on:
+  push:
+    branches:
+      - master
+  pull_request:
+    branches:
+      - master
+  # Allows to run this workflow manually from the Actions tab
+  workflow_dispatch:
+jobs:
+  python-tests:
+    runs-on: ubuntu-latest
+    steps:
+      - name: "Checkout branch"
+        uses: actions/checkout@v4
+      - name: "Set up Python on Ubuntu"
+        uses: actions/setup-python@v5
+        with:
+          python-version: 3.12
+      - name: "Python codestyle"
+        run: |
+          pip install ".[dev]"
+          pip install pytest
+          pytest .

pyproject.toml

@@ -5,7 +5,7 @@ build-backend = "hatchling.build"
 [project]
 name = "ipyaladin"
 dynamic = ["version"]
-dependencies = ["anywidget"]
+dependencies = ["anywidget", "astropy"]
 readme = "README.md"
 
 [project.optional-dependencies]