Browserify project structure

[gradyrobbins]

Browserify project structure
Backed by json-server

All teammates must be using Grunt to run ESLint and Browserify during development.

[hannahmneal]

We need to take project structure with individual features (users, tasks, events, etc.) and decide on module names and general structure/handling within them.

[hannahmneal]

Add logout button to "nav" and consider creating an "add" button to replace "Sunset" in the current nav structure.