docs: fail on warnings (#1397)

lars-reimann · web-flow · commit 4b89bc52f7be · 2023-07-11T11:17:17.000+02:00
### Summary of Changes

* Enable strict mode of `mkdocs` to fail on warnings
diff --git a/mkdocs.yml b/mkdocs.yml
@@ -3,6 +3,7 @@ repo_url: https://github.com/Safe-DS/API-Editor
 repo_name: Safe-DS/API-Editor
 edit_uri: edit/main/docs/
 site_url: !ENV READTHEDOCS_CANONICAL_URL
+strict: true
 
 nav:
   - Home:
