Added missing bot.teams definition (#3294)

Author: Ynfuien

index.d.ts

@@ -194,6 +194,7 @@ export interface Bot extends TypedEmitter<BotEvents> {
   isSleeping: boolean
   scoreboards: { [name: string]: ScoreBoard }
   scoreboard: { [slot in DisplaySlot]: ScoreBoard }
+  teams: { [name: string]: Team }
   teamMap: { [name: string]: Team }
   controlState: ControlStateStatus
   creative: creativeMethods