feat: Expose useRoute and useRouter for future compatibility with vue 3

Author: MattCCC

src/index.d.ts

@@ -1,3 +1,3 @@
-import { createRouter } from "./vue-router.common";
+import { createRouter, useRouter, useRoute } from "./vue-router.common";
 export { Route, RouteOptions, RouterServiceOptions } from "./typings/router-service";
-export { createRouter };
+export { createRouter, useRouter, useRoute };