[iOS] [Integrate] As a user, I can answer my survey

[Phong Vo]

Why

A user should be able to see the question and its answers and select an answer if it is multiple choice/rating or input form answer.

Acceptance Criteria

• Based on the question's pick, display_type properties, we will display the question, and it answers accordingly.
• Save the user's selection/form locally for submit step.