perf: 扁平化 directives 目录

src/directives/index.ts

@@ -1,7 +1,7 @@
 import type { App } from "vue"
 import { permission } from "./permission"
 
-/** 挂载自定义指令 */
+/** 加载自定义指令 */
 export function loadDirectives(app: App) {
   app.directive("permission", permission)
 }