Refactor API functions to improve parameter aliasing and enhance documentation clarity

api/LearnTalent.lua

@@ -1,12 +1,14 @@
 ---@diagnostic disable: missing-return, lowercase-global
 ---@meta
 
----@param tabIndex number 
----@param talentIndex number 
----@param isPet boolean 
----@param talentGroup nil 
----@param 1  
----@param 2  
----@param nil  
+---@alias talentGroup
+---| 1 - Primary Talents
+---| 2 - Secondary Talents
+---| nil - Currently active talents
+
+---@param tabIndex number
+---@param talentIndex number
+---@param isPet boolean
+---@param talentGroup talentGroup
 ---Learns a talent, spending one talent point
-function LearnTalent(tabIndex, talentIndex, isPet, talentGroup, 1, 2, nil) end
+function LearnTalent(tabIndex, talentIndex, isPet, talentGroup) end