👷 Add Github action to automatically check if the site is up and working

.github/workflows/install_check.yml

@@ -0,0 +1,36 @@
+name: Installation test after page deployment
+
+on:
+  # Run after a new version is deployed
+  pages:
+    types: [deploy]
+
+  # On demand
+  workflow_dispatch:
+
+jobs:
+  post_deploy_test:
+    runs-on: ubuntu-latest
+    steps:
+      - uses: actions/setup-python@v5
+      - name: Install public-hello
+        run: |
+          python -m pip install --upgrade pip
+          pip install public-hello --extra-index-url https://astariul.github.io/github-hosted-pypi/
+
+          # Check if the package and its dependency was installed
+          pip show public-hello
+          pip show mydependency
+
+          # The code from the package should be accessible
+          python -c "from public_hello import hi; assert hi() == 'Hello world from public repository (with a dependency)'"
+      - name: Install public-hello older version
+        run: |
+          python -m pip install --upgrade pip
+          pip install public-hello==0.1 --extra-index-url https://astariul.github.io/github-hosted-pypi/
+
+          # Check if the package was installed
+          pip show public-hello
+
+          # The code from the package should be accessible
+          python -c "from public_hello import hi; assert hi() == 'Hello world from public repository'"