Mongo db

[Wilsonator123]

• [x] Created a Database class with all required methods
• [x] Created a collection of incidents
• [x] Altered Code to use MongoDB instead of files
• [x] Created new functions for creating users and logging in
• [x] Created routes, /account, for login and signup
• [x] Created helper functions for auth and email
• [x] Added data validation, Marshmallow, for serializing data in api requests