[FEAT] Update User Preference

[Vhickyy]

Description

Implement an API endpoint that allows users to update his or her preferences. This endpoint allows authenticated user to update their preference.

Endpoint Feature

• This endpoint enables authenticated users to change their own preference.

Acceptance Criteria

• The endpoint should be accessible at PUT /api/v1/user/preference.
• User must be authenticated.
• The request body should contain data to be updated.

Successful Response

The system returns the 200 "success" status code if the update is successful.

{
  "status": "success",
  "message": "Preference successfully updated",
  "status_code": 200
}

Error Handling:

Error while updating preference to database

{
    "status": "unsuccessful",
    "status_code": 500,
    "message": "Internal Server Error."
}

Testing:

unit tests
It should fail with incorrect preference data.
User Preference should be updated successfully with correct details.

[incredible-phoenix246]

update this @Vhickyy

use md format

[Vhickyy]

@incredible-phoenix246 please review