[Meilisearch v1.47.0] Add personalized search (experimental)

Context

Meilisearch 1.47.0 adds full support for personalized search (experimental) to the search endpoint.

NB: before 1.47.0, federated search requests did not support personalized search.

Objective

Update the SDK to support personalized search on the search endpoint.

Update the corresponding SDK methods

• Search (POST)
• Search (GET)

Both related API endpoints now accept a new personalize object parameter:

{
  // other request parameters...
  "personalize": {
    "userContext": "The user prefers ..."
  }
}

Tasks

• Add/update methods to handle interacting with the search API endpoints
• Add/update test cases for the new/updated methods
• No code samples to update

Start by locating the SDK methods corresponding to the Search (POST) and Search (GET) endpoints, then read how existing search parameters are represented and passed. Add support for the new personalize object parameter on both methods and update their test cases to cover it. Done means both endpoints accept the parameter and the tests pass.