added some documentation to register_alias

worldeditadditions_core/core/register_alias.lua

@@ -1,6 +1,11 @@
 
 local wea_c = worldeditadditions_core
 
+--- Register an alias for command
+-- @param cmdname_target: string - the new alias name
+-- @param cmdname_source: string - the source command name
+-- @param override: boolean (optional) - whether to override an existing target command
+-- @returns: boolean - true if alias registration is successful, false otherwise
 local function register_alias(cmdname_target, cmdname_source, override)
 	if override == nil then override = false end