Added model router example

[veeragoni]

Issue number:

Summary

An inherent capability of MAO is ability to route the request to different models based on the context using its classifier. In this demo, I have showed an example of how to route the route the request to different models based on cost vs. reliability vs. privacy.

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[cornelcroi]

Thank you for submitting this PR.
The concept of utilizing various agents for tasks based on their performance and cost-effectiveness is really good.
However, we can enhance this approach by incorporating realistic business scenarios.
I'd like to see a concrete business use case in each example.
At present, it's unclear how the classifier would effectively route tasks using the descriptions provided in this PR.