refactor News middlewares

src/middlewares/news/addNews.ts

src/middlewares/news/deleteNews.ts

src/middlewares/news/getNews.ts

src/middlewares/news/getNewsList.ts

src/middlewares/news/updateNews.ts

src/middlewares/user/deleteUser.ts

src/middlewares/user/updateUser.ts

src/models/NewsSchema.ts