Add a /breeds and /pictures endpoint to animals route.

[ritik307]

Describe the feature
Add an endpoint GET breed of a particular animal in /animals route.
Add an endpoint GET pictures of a particular animal in /animals route.

Expected behaviour
Return array of breeds of a particular animal.
Return array of pictures of a particular animal.

Are you working on this feature? (Yes)

[ritik307]

@ShauryaAg @paramsiddharth I would like to add this feature will you plz assign me this issue.

[paramsiddharth]

@ritik307 Go ahead!