Experimental proxy search

[dureuill]

Feature name	Enable when launching	Enable at runtime	Description
Make search requests to another Meilisearch instance	Not available	curl \ -X PATCH 'http://localhost:7700/experimental-features/' \ -H 'Content-Type: application/json' \ --data-binary '{ "proxySearch": true }'	Create a new route under `/network` to register other Meilisearch instances, and allow sending search requests to them using federated search.

Meilisearch v1.13 (released on 2025-02-17) introduces a new route to describe how to access remote Meilisearch instances and the ability to transparently perform a federated search that involves these remote Meilisearch instances.