Plugin support

[JStalnac]

Todo:

• Loading plugins
• Enable
• Disable
• Injecting services
• Plugin dependencies - see branch plugin-dependencies
  • Hard dependencies - required for a plugin to be loaded
  • Optional dependencies - not required unless available
• Spades - API similar to the Bukkit class in Bukkit/Spigot
• Events
  • API to SharpSpades.Api
  • Removing a subscription
    • EventManager.Subscribe could return an IDisposable that removes the subscription when disposed
  • Removing an event
    • Similar to the subscription thing
• Commands (see Commands #12 )
• Map providers
  • Ability for plugins to make maps available for rotation etc.
  • Way to implement scriptable behaviour to maps
• Custom game modes (needs Gameplay objectives - Intel and tents etc #14)
• Plugin resource directory
  • Place where plugins can store files and config etc.