Feature/us2/side nav bar

[dimitriosxmi]

Please take a moment to review this ❤️

- Delete public/next.svg
- Delete public/thirteen.svg
- Delete public/vercel.svg
+ Add components\svgs\BurgerIcon.svg
+ Add components\svgs\XIcon.svg

+ Add components\svgs\index.js (Exports the added svg's
+ Add components/SideBar/index.js
+ Add components/SideBarButton/index.js (to open/ close the sidebar)
! Update pages/index.js (refactored, applied new components, and added clickHandler)

US2 Deployment