[FEATURE] integrate into an API hub for generic capabilities

[amirfz]

PROBLEM
currently sherpa can only access google search as a tool

SOLUTION
use a generic API hub like https://docs.rapidapi.com/ as a set of tools that sherpa has access to

ALTERNATIVES
there could be other similar api hubs with wider range of capabilities and better pricing. the first task would be to do a quick review of options

OTHER INFO
Add any other context or screenshots about the feature request here.

[20001LastOrder]

We will come back to this because it can provide a large amount of actions from these hubs.