Integrate with AWS Bedrock

[kondisettyravi]

Is your feature request related to a problem? Please describe:
We can connect to many models now but i'd like to connect with AWS Bedrock models in particular. Please enable the same.

Describe the solution you'd like:
I should be able to connect to bedrock through my default profile credentials or throughs keys

Describe alternatives you've considered:
none

Additional context:

[wonderwhy-er]

#264

[yedidyar-ni]

#847

[Digitl-Alchemyst]

Bedrock has been integrated