message: updated broken link in README
diff: @@ -143,5 +143,4 @@ export class MyLoggingHandler implements Middleware {
  }
  }
  ```
  -
  -Refer [MiddlewareOptions](../src/middleware/option/IMiddlewareOptions.ts) interface to know its structure.
  +Refer [MiddlewareOptions](../src/middleware/options/IMiddlewareOptions.ts) interface to know its structure.
  