[WikiCommons] Extract Delpher source URLs from Wikitext and add to SDoC

<img width="857" height="698" alt="Image" src="https://github.com/user-attachments/assets/bcaf70e9-8390-44c0-9145-b46135c4954d" />

Add that link to the SDoC of the page - exact format/qualifiers TBD

<img width="832" height="687" alt="Image" src="https://github.com/user-attachments/assets/b8765201-b7ec-493d-9ac0-05842c51ba74" />