Create a request for a new answer

[misha130]

Is your feature request related to a problem? Please describe. The user should have an ability to create a new answer after filling out the new answer body. Thus an API for that is needed.

Describe the solution you'd like Create a repository inside of application project called Answers and create the answer based on the data received from the client. Validate the request, return errors if not valid. Should be authorized.