Refactor API functions to improve parameter aliasing and enhance documentation clarity

api/KBArticle_BeginLoading.lua

@@ -1,9 +1,11 @@
 ---@diagnostic disable: missing-return, lowercase-global
 ---@meta
 
----@param articleId number 
----@param searchType 2 
----@param 1  
----@param 2  
+---@alias searchType
+---| 1 - Default "top issues" search
+---| 2 - Search for specific text
+
+---@param articleId number
+---@param searchType searchType
 ---Requests a specific knowledge base article from the server
-function KBArticle_BeginLoading(articleId, searchType, 1, 2) end
+function KBArticle_BeginLoading(articleId, searchType) end