Sanitization Quiz API Endpoint and Artist Application API Endpoint

[xHergz]

Description:

Create the API endpoint for getting the sanitation quiz data and the endpoint to create an artist application

Tasks:

• [x] Create sanitization-quiz end point with empty get request
• [x] Create artist-application end point with empty url and body
• [x] Add support for uploading PDF/DOCX files for resumes and cover letters
• [x] Add support for database transactions because creating an application with require multiple calls to be complete

  Tests:

• [x] sanitization-quiz endpoint returns a 5 question quiz
• [x] artist-application endpoint successfully adds an application
• [x] artist-application endpoint rolls back data when encountering an error in the middle of adding an application