* refactor(custom): add all recognized models to maxTokensMap for custom endpoint * feat(librechat.yaml): log the custom config file on initial load * fix(OpenAIClient): pass endpointType/endpoint to `getModelMaxTokens` call
* refactor(custom): add all recognized models to maxTokensMap for custom endpoint * feat(librechat.yaml): log the custom config file on initial load * fix(OpenAIClient): pass endpointType/endpoint to `getModelMaxTokens` call