Enable bookstack search to search inside diagrams

[sarangtc]

Describe the feature you'd like

Enable bookstack search to search inside diagrams (created using the diagrams.net/draw.io feature)

Describe the benefits this would bring to existing BookStack users

This would make the search feature produce much more valid results when text is inside drawing

Can the goal of this request already be achieved via other means?

No

Have you searched for an existing open/closed issue?

• [X] I have searched for existing issues and none cover my fundamental request

How long have you been using BookStack?

3 months to 1 year

Additional context

This might be possible by searching/indexing the xml/.io file that is saved somewhere