feat: QdrantIndex

[Anush008]

Description

This PR adds support for Qdrant to be used as a supported index in Semantic Router.

Testing

The integration tests have been configured to run using an in-memory Qdrant instance if qdrant-client is installed. Skipped otherwise.

[codecov]

Codecov Report

Attention: Patch coverage is 83.33333% with 15 lines in your changes are missing coverage. Please review.

Project coverage is 78.20%. Comparing base (931af0c) to head (cd41dd8).

Files	Patch %	Lines
semantic_router/index/qdrant.py	81.70%	15 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #207      +/-   ##
==========================================
+ Coverage   78.00%   78.20%   +0.19%     
==========================================
  Files          42       43       +1     
  Lines        2146     2234      +88     
==========================================
+ Hits         1674     1747      +73     
- Misses        472      487      +15     

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[jamescalam]

hi @Anush008 thanks for the PR this is great! I have a few comments, could we fix those and then we should be good to run tests and merge all being okay, thanks!

[mesax1]

LGTM.
Passes tests, and the naming conventions follow SemanticRouter conventions of index, metadata, query, dimensions, and config.

[jamescalam]

nice, thanks all, we appreciate the PR @Anush008!