docs(use-locale): remove stale createTokens from hierarchy, add createModel

Author: johnleider

apps/docs/src/pages/composables/plugins/use-locale.md

@@ -84,11 +84,10 @@ Once the plugin is installed, use the `useLocale` composable in any component:
 
 ```mermaid "Locale Hierarchy"
 flowchart TD
-  createRegistry --> createSelection
-  createRegistry --> createTokens
+  createRegistry --> createModel
+  createModel --> createSelection
   createSelection --> createSingle
   createSingle --> useLocale
-  createTokens --> useLocale
   Adapter --> useLocale
 ```