feat: begin creating Role Review Cards

Progress for #44

Description

Roles Page
- add /roles to the end of the url
- Made up of "Role Review Cards". These are in role-review-card.tsx - potentially the messiest file currently in the code base ◡̈
- The stars are a separate component called review-card-stars.tsx
- Currently just fetching all of them since this is a longer ticket
Header Layout Component
- If you switch to the companies page /companies, you will notice that the search bar is at the same position. This is because I abstracted how the header was placed into the header-layout.tsx file.
- Edited cooper logo bc alignment was off from when I copied svg from figma.
- Also updated favicon
- Header color + font was different in design, so I changed those as well
- Changed color of login / logout button even though it isn't necessary since they are temp but they were bothering me lol

Search Filter
- I've been calling that whole block with all the search functionality the "search filter" while the white bar is the "search bar" btw
- It is more responsive now 😈
- Added cooper peeking over (my fav change)

That's about all have fun reviewing lollll