Add more info on speaker page

Hello,

I was wondering if we could not add more metadata to the actual publishers and speakers profile, we could summarize here the list of possible information :

Publisher:
- Link of the media (youtube channel in this case) ;
- Metadata of the media (exposition ? views ? subscribers ?)
- Known figure
- Overview of the results of the fact-checking (?)

Speaker:
- Wikipedia profile (if exist) ;
- List of quotes...

Will be updated regarding your feedback and the ideas that could come along.