[FEAT] Side bar

[ax-vasquez]

Description

Sidebar implementation to replace the current menu bar logic.

To do

1. [ ] Components
   1. [x] SidebarContainer
   2. [x] SidebarHeader
   3. [x] SidebarBody
      1. [ ] SidebarBodyText
      2. [x] SidebarBodyList
         1. [ ] SidebarBodyListItem
         2. [ ] SidebarBodyListAccordionItem
            1. [ ] SidebarAccordionChild
   4. [ ] SidebarFooter
2. [ ] Animations
   1. [ ] Sidebar slide in/out
   2. [ ] Accordion parent icon rotation on open/close
      1. [ ] Accordion child items slid down/up on open/close, respectively

General to do

• [ ] Clean up class/variable names (some of the SidebarBodyList* classes seem a bit too wordy)

[ax-vasquez]

The base of this was done in #19