chore: update README.md file (#131)

## Checklist

- [x] I have ensured my pull request is not behind the main or master
branch of the original repository.
- [x] I have rebased all commits where necessary so that reviewing this
pull request can be done without having to merge it first.
- [x] I have written a commit message that passes commitlint linting.
- [x] I have ensured that my code changes pass linting tests.
- [x] I have ensured that my code changes pass unit tests.
- [x] I have described my pull request and the reasons for code changes
along with context if necessary.

Author: 3imed-jaberi

README.md

@@ -1,7 +1,6 @@
-# koa-etag
+# @koa/etag
 
 [![NPM version][npm-image]][npm-url]
-[![Build status][travis-image]][travis-url]
 [![Test coverage][coveralls-image]][coveralls-url]
 [![Dependency Status][david-image]][david-url]
 [![License][license-image]][license-url]
@@ -13,18 +12,20 @@ Etag support for Koa responses using [etag](https://github.com/jshttp/etag).
 
 ```bash
 # npm
-$ npm install koa-etag
+$ npm install @koa/etag
 # yarn
-$ yarn add koa-etag
+$ yarn add @koa/etag
 ```
 
 ## Example
 
 ```js
+
+const Koa = require('koa');
+const etag = require('@koa/etag');
 const conditional = require('koa-conditional-get');
 const compress = require('koa-compress');
-const etag = require('koa-etag');
-const Koa = require('koa');
+
 const app = new Koa();
 
 // must be used before `conditional` and `etag`
@@ -48,11 +49,9 @@ console.log('listening on port 3000');
 [MIT](LICENSE)
 
 [npm-image]: https://img.shields.io/npm/v/koa-etag.svg?style=flat-square
-[npm-url]: https://npmjs.org/package/koa-etag
+[npm-url]: https://npmjs.org/package/@koa/etag
 [github-tag]: http://img.shields.io/github/tag/koajs/etag.svg?style=flat-square
 [github-url]: https://github.com/koajs/etag/tags
-[travis-image]: https://img.shields.io/travis/koajs/etag.svg?style=flat-square
-[travis-url]: https://travis-ci.org/koajs/etag
 [coveralls-image]: https://img.shields.io/coveralls/koajs/etag.svg?style=flat-square
 [coveralls-url]: https://coveralls.io/r/koajs/etag?branch=master
 [david-image]: http://img.shields.io/david/koajs/etag.svg?style=flat-square