* fix: minor title changes
* fix: updated structure of 2 pages
* fix: proposals page and submitting one
added proposals page and made it clear how to submit one
* fix: minor update to docs home page
* fix: footer links
added more footer links and minor restructure
* fix: sidebar restructure
* fix: removed duplicate geyser link
* fix: sidebars and navbar
final separation of sidebars and updated navbar
* fix: formatting for the navbar icons
* fix: changes some sidebar links to refs
* style: changed order of footer's SPL link
* style: removed comment and fixed whitespace check