Documentation: use case for images as input

[anyacherniss]

Look at existing users with agents that have images as input

[pierrevalade]

@anyacherniss can you create corresponding issues for PDF extraction, and website data extraction? thank you!

[anyacherniss]

Yes, opened

• Documentation: website data extraction #323
• Documentation: use case for PDF extraction #322

[anyacherniss]

Included in: #343. Final step before review is updating the screenshots to show image agents instead of text agents.