refactor(core): 调整 TypeScript 类型声明的位置

- 将 Vue 组件自定义属性的类型声明从 index.ts 移动到 core.ts

Author: leihaohao

src/core.ts

@@ -68,3 +68,9 @@ export function createPermission(options: PermissionOptions = {}): Permission {
   }
   return permission
 }
+
+declare module 'vue' {
+  interface ComponentCustomProperties {
+    $permission: Permission
+  }
+}

src/index.ts

@@ -1,12 +1,4 @@
-import type { Permission } from './core'
-
 export * from './component'
 export * from './core'
 export * from './directive'
 export * from './injection'
-
-declare module 'vue' {
-  interface ComponentCustomProperties {
-    $permission: Permission
-  }
-}