Add model card-like information to the models' docs.

Add to the docs more details about the model accuracy for each content type (something like the model card we had for the v1 of the website).

Locate the documentation for each model and review the model card used for v1 of the website. Add model-accuracy details for each content type, with the completed documentation covering every model and content type requested in the issue.

Written by the indexing model from the issue text.