chore: 更新版本号至0.0.74，并在 QueryRouter 中添加 metadata 字段

package.json

@@ -1,7 +1,7 @@
 {
   "$schema": "https://json.schemastore.org/package",
   "name": "@kevisual/router",
-  "version": "0.0.73",
+  "version": "0.0.74",
   "description": "",
   "type": "module",
   "main": "./dist/router.js",

src/route.ts

@@ -680,7 +680,7 @@ export class QueryRouter {
           });
           ctx.body = {
             list: list.map((item) => {
-              const route = pick(item, ['id', 'path', 'key', 'description', 'middleware'] as const);
+              const route = pick(item, ['id', 'path', 'key', 'description', 'middleware', 'metadata'] as const);
               return toJSONSchema(route);
             }),
             isUser