Fixes failing doc tests, adds doctest info to docs

Author: sjoerdk

docs/conftest.py

@@ -25,7 +25,7 @@
 from dicomtrolley.qido_rs import QidoRS
 from dicomtrolley.rad69 import Rad69
 from dicomtrolley.trolley import Trolley
-from dicomtrolley.wado_rs import WadoRS
+from dicomtrolley.wado_rs import WadoRS, WadoRSMetaData
 from dicomtrolley.wado_uri import WadoURI
 from tests.conftest import set_mock_response
 from tests.factories import quick_dataset
@@ -73,6 +73,7 @@ def setup_namespace(namespace: Dict[str, Any]):
         "Mint": Mint,
         "WadoURI": WadoURI,
         "WadoRS": WadoRS,
+        "WadoRSMetadata": WadoRSMetaData,
         "Rad69": Rad69,
         "QidoRS": QidoRS,
         "Query": Query,

docs/contributing.md

@@ -62,3 +62,13 @@ To edit the docs:
 * Try out your changes using `uv run mkdocs serve`
 
 * To add docs requirements: `uv add --group dev <package to add>`. To remove `uv remove --group dev <package to add>` 
+
+### testing doc examples
+* run pytest in the /docs folder: `cd /docs` -> `uv run pytest`
+
+If your docstests have import errors, look at /docs/conftest.py -> `setup_namespaces()`.
+This function describes import statements done before any doc example script. Imports
+are done in script because it is distracting to have multiple import statements above
+a single line of example code
+
+