MLflow Gateway models

[fedefernandez]

MLflow Gateway integration

This PR consists of three parts. The client and its models are defined in a new integration module. Then, the example uses the new integration.

Related to #479

MLflow Gateway Models

File: integrations/mlflow/src/commonMain/kotlin/com/xebia/functional/xef/mlflow/models.kt

Includes the models for interacting with MLflow Gateway:

• Routes definitions: Include routes information like URI, model names, model type, etc...
• Chat, completion, and embeddings: Requests and responses for interacting with the exposed models

MLflow Gateway Client

File: integrations/mlflow/src/commonMain/kotlin/com/xebia/functional/xef/mlflow/MlflowClient.kt

Client with some methods for interacting with the gateway and its models.

• searchRoutes
• getRoute
• prompt
• chat
• embeddings

MLflow Gateway Example

File: examples/kotlin/src/main/kotlin/com/xebia/functional/xef/conversation/mlflow/Example.kt

Example inspired by the example shown in the following talk by Corey Zumar and Ben Wilson

• https://youtu.be/WpudXKAZQNI?si=RaSSfwe9cEWQCJXg&t=2164

[raulraja]

thank you @fedefernandez !