docs: add version switcher (#318)

docs/conf.py

@@ -1,20 +1,20 @@
 """Sphinx configuration."""
 
+import importlib.metadata
 import sys
 from datetime import date
 from pathlib import Path
 
-from myst_parser import __version__
 from sphinx.application import Sphinx
 
 # Add parent directory to sys.path for autodoc
 sys.path.insert(0, str(Path(__file__).parent.parent))
 
 # Project information
-project = "medmodels"
+project = "MedModels"
 author = "Limebit GmbH"
 copyright = f"{date.today().year}, {author}"
-version = __version__
+version = importlib.metadata.version(project)
 
 # General configuration
 extensions = [
@@ -152,6 +152,11 @@
     ],
     "primary_sidebar_end": ["indices.html"],
     "secondary_sidebar_items": ["page-toc"],
+    "switcher": {
+        "json_url": "https://www.medmodels.de/docs/switcher.json",
+        "version_match": version,
+    },
+    "show_version_warning_banner": True,
 }
 
 html_context = {