Refactor API functions to improve parameter aliasing and enhance documentation clarity

api/GetBattlefieldTeamInfo.lua

@@ -1,13 +1,15 @@
 ---@diagnostic disable: missing-return, lowercase-global
 ---@meta
 
----@param index 1 
----@param 0  
----@param 1  
----@return string teamName 
----@return number teamRating 
----@return number newTeamRating 
----@return number teamMMR 
----@return number numPlayers 
+---@alias battlegroundGroup
+---| 0 - Green Team/Horde
+---| 1 - Gold Team/Alliance
+
+---@param index battlegroundGroup
+---@return string teamName
+---@return number teamRating
+---@return number newTeamRating
+---@return number teamMMR
+---@return number numPlayers
 ---Returns info about teams and their rating and MMR in a rated arena match. Usable following the UPDATE_BATTLEFIELD_SCORE event.
-function GetBattlefieldTeamInfo(index, 0, 1) end
+function GetBattlefieldTeamInfo(index) end