feature: add AIMon reranker model

[devvratbhardwaj]

Description

This feature request proposes integrating the AIMon reranker into the Trieve repository. The AIMon reranker stands out because it:

1. Exceeds in benchmarks: It has demonstrated superior performance on retrieval benchmarks, as detailed here.
2. Domain-specific task definition: It allows users to specify their domain, providing context-specific reranking for improved relevance.

Target(s)

Reranking Service (Cross Encoder)