Fix some apis

api/UnitCanAttack.lua

@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
----@param unit string 
----@param unit string 
----@return 1nil canAttack 
+---@param unitA string 
+---@param unitB string 
+---@return number|nil canAttack 1 or nil
 ---Returns whether one unit can attack another
-function UnitCanAttack(unit, unit) end
+function UnitCanAttack(unitA, unitB) end

api/UnitHealth.lua

@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param unit string 
----@param name string 
 ---@return number health 
 ---Returns a unit's current amount of health
+---@overload fun(name: string): number
 function UnitHealth(unit, name) end

api/UnitHealthMax.lua

@@ -1,7 +1,7 @@
 ---@diagnostic disable: missing-return, lowercase-global
 
 ---@param unit string 
----@param name string 
 ---@return number maxValue 
 ---Returns a unit's maximum health value
+---@overload fun(name: string): number
 function UnitHealthMax(unit, name) end