[#160866787] Refactor UI

[susanwere]

What does this PR do?

Implements feature for a user to view the most answered questions

Background Information

Implements feature for a user to view the most answered questions

Description of task to be completed

1. Implements feature for a user to view the most answered questions

TEST	API-endpoint	HTTP-verb
User can register	/api/v2/auth/registration	POST
User can login	/api/v2/auth/login	POST
User can post a question	/api/v2/questions	POST
User can get all questions	/api/v2/questions	GET
User can get a question and answer to a specific question	/api/v2/questions/1	GET
User can update a specific question	/api/v2/questions/1	PUT
User can delete a specific question	/api/v2/questions/1	DELETE
User can add an answer to a specific question	/api/v2/questions/1/answer	POST
User can update an answer to a specific question	/api/v2/questions/1/answer/1	PUT
User can Mark an answer to a given specific question	/api/v2/questions/1/answer/1	PUT

User Details For Registration

{
	"username":"your_username",
	"email":"your_email",
	"password":"your_pass",
	"confirmpass":"your_pass"
}

User Details For Login

{
	"username":"your_username",
	"password":"your_pass"
}

Details for Posting a question

{
	"title":"question_title",
	"body":"question_body"
}

Details for answering a question

{
	"body":"answer_body"
}

Details for updating an answer

{
	"body":"answer_body"
}

How to manually test?

1. Clone or download the project
   Stackoverflow-Lite

2. Navigate to the project directory and change branch to challenge_three_latest
challenge_three_latest

3. Copy .env_example credentials or content into .env file and update with postgresql environment variables or credentials

4. Create a `virtual environment' and activate it.
   'virtualenv venv
   source venv/bin/activate
   pip install -r requirements.txt'

5. Run migration
   python migrate.py

6. Start the server
   flask run

7. Use local host to access the endpoints or visit here

8. To run tests, Run 'pytest' on terminal

What is the relevant pivotal tracker stories?
#160866787