message: Fix CDN links.
  Update to match CDN instructions from README.md.
diff: @@ -66,10 +66,20 @@ npm install @reactivex/rxjs@5.0.0-beta.1
  ## CDN
  -For CDN, you can use [unpkg](https://unpkg.com/). Just replace *version* with the current version on the link below:
  +For CDN, you can use [unpkg](https://unpkg.com/):
  -For RxJS 5.0.0-beta.1 through beta.11: [https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.umd.js](https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.umd.js)
  +[https://unpkg.com/rxjs@^7/dist/bundles/rxjs.umd.min.js](https://unpkg.com/rxjs@%5E7/dist/bundles/rxjs.umd.min.js)
  -For RxJS 5.0.0-beta.12 and higher: [https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.js](https://unpkg.com/@reactivex/rxjs@version/dist/global/Rx.js)
  +The global namespace for rxjs is `rxjs`:
  -For RxJS 6.0.0 and higher: [https://unpkg.com/@reactivex/rxjs@version/dist/global/rxjs.umd.js](https://unpkg.com/@reactivex/rxjs@version/dist/global/rxjs.umd.js)
  +```js
  +const { range } = rxjs;
  +const { map, filter } = rxjs.operators;
  +
  +range(1, 200)
  + .pipe(
  + filter(x => x % 2 === 1),
  + map(x => x + x)
  + )
  + .subscribe(x => console.log(x));
  +```
  