Round Summary - Add ability to rearrange tabs

[Malivil]

May be simpler to have a single convar which decides the order of the tabs. Any missing tabs will be skipped

• [x] Add ConVar
  • [x] Parse and use
  • [x] Sync global
• [x] ULX
• [x] Documentation

[Malivil]

Completed by 15dd343f8ed7c82467fbf18cdcfbcbf39797b339