* add integration with Apple MLX
* fix: apple icon + image mkd link
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Co-authored-by: “Extremys” <“Extremys@email.com”>
Co-authored-by: Danny Avila <danny@librechat.ai>
* chore: add TEndpoint type/typedef
* refactor(loadConfigModels.spec): stricter default model matching (fails with current impl.)
* refactor(loadConfigModels): return default models on endpoint basis and not fetch basis
* refactor: rename `uniqueKeyToNameMap` to `uniqueKeyToEndpointsMap` for clarity