Feature 01 login signup

This merge will see a few key things added:

• Addition of firebase objects with useful tools in each:
  • "auth" User authentication object.
  • "db" Database object.
  • "storage" Storage (Images, files) object.
• Navigational system which can be easily adjusted in App.js for all pages
• Login system, simply enter an email and password belonging to an existing user and be navigated to a new page.