Dev/feature - Future Feature Release

[ShaneBeee]

Describe your changes

This PR outlines a future feature release.

Temp changelog:

ADDED:

• Added a confirmation when attempting to delete an arena
• Added an option to add multiple border centres (will randomly pick one to close in on)
• Added some config options for player tracking (using the player's tracking bar)

Config

## PLAYER TRACKING
player-tracking:
  # How far in blocks players can see each other on the tracking bar
  # Set to -1 to keep default value (whatever the player's current tracking range is)
  # Set to 0 to disable
  distance: 100

  # Represents the color of enemy players
  # Set to 'disable' to keep default color the player is assigned
  # Accepts int color, `#rrggbb` or `r:g:b` (0-255 for r:g:b) formats
  enemy-player-color: '#EB2D07'

  # Represents the color of enemy entities
  # Set to 'disable' to disable
  enemy-entity-color: '#EBD807'

  # The number of uses a tracking stick will have
  tracking-stick-uses: 8

  # Minimum number of players required in a game for a tracking stick to work
  players-for-tracking-stick: 5

FIXED:

• Fixed the exit location of an arena not working

INTERNAL:

• Update to use a new WeightedList for weighted items/mobs

---

Target Minecraft Versions: any
Requirements: none
Related Issues: none

Checklist before requesting a review

• I have read the contributing guidelines