Fastapi impl (#26)

* -product pitch presentation

* -llama-deploy implementation, -implemented fastapi for all templates, -partial implementation of docker for templates

* implemented the llama-deploy and workflows with simplemq and rabbitmq

* - modified the docs

* - implemented kafaka queue mechanism

* - modified the docs and version

* - implemented fastapi for simple rag

* - refactoring the code

* -implemented fastapi for simple rag

* -implemented fastapi for self correcting rag

* -modified docs for fastapi impl

* -deleted unwanted code

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Co-authored-by: pavanmantha <[email protected]>

Author: pavanjava