Environment / Security Modifications

Disabled default debug mode for non-local environments
- config.app.php

Enabled debug mode for local enviroments
- config.local.php

Created environment files in root directory
 - .env.php
 - .env.local.php
 - env.php (Template)

Make files reference the .env.php / .env.local.php files
- config.database.php
- config.mail.php
- config.stripe.php