Documentation improvements / need for documentation checks?

[wd60622]

The recent issues could be solved with some documentation checks:

• Fix undefined labels in docs #1209
• Missing cross-references in docs #1208
• Add blank line for block quote #1207
• Add end-string for strong-start-string #1206
• Add blank line to explicit markup #1205
• Fix unexpected indentation #1204
• Add blank line to definition list #1203
• Inline emphais start-string without end-string #1202
• Documentation build Warnings coming from pydantic? #1201
• Start index files with H1 #1200
• Non-consecutive header warning #1199
• Filter for warning of notebooks in dev #1198
• Address ArrayLike in documentation #1197
• Fix incorrect numpy doc section #1195
• Fix Example section in prior class #1196