Add or update connector credentials (API keys) for a specific account and connector.
Args: account_name: Name of the account connector_name: Name of the connector credentials: Dictionary containing the connector credentials
Returns: Success message when credentials are added
Raises: HTTPException: 400 if there’s an error adding the credentials
Basic authentication header of the form Basic <encoded-value>, where <encoded-value> is the base64-encoded string username:password.
The body is of type Credentials · object.
Successful Response