feat: rank system #1898

[ebiggz]

Description of the Change

Implements a rank system (#1898)

• Supports the creation of "rank ladders" with manual and automatic modes (tracking by view time or currency)
• Hooked up the rank system to existing permission restriction
• Streamer can update a viewers rank via the viewer details modal
• Includes:
  • Update Viewer Rank effect
  • Viewer Rank Updated event
  • The following $vars:
    • $viewerRank
    • $viewerNextRank
    • $viewerRankValue
    • $viewerRankValueDescription
    • $rankLadderMode
    • $viewersInRankArray
    • $viewerNamesInRank
    • $viewerHasRank
    • $newRank (Viewer Rank Updated event)
    • $previousRank (Viewer Rank Updated event)
    • $isPromotion (Viewer Rank Updated event)
    • $isDemotion (Viewer Rank Updated event)

Screenshots