Implement basic MVC architecture

Summary:
A new .env.dist file has been created to serve as an environment file template.
An SQL file containing table creation queries and test data population queries has been added.
The database run command has been included, along with a link to the database diagram.
Lastly, index.js has been replaced with app.js for better file organization.

Differential Revision: https://devcentral.nasqueron.org/D3182