As a customer, I want the app to look dope, so I feel confident making purchases

[drewerd15]

• [x] Improve Nav bar by adding links to allproducts & basic styling
• [x] create basic containers and styling on main pages
• [ ] create cart button to take user to the cart view
• [ ] update favicon, app title, page titles to be consistent and accurate
• [ ] add basic / consistent id's/classes to common components e.g. buttons, h1, etc