docs: update README notes for video.js 7 (#200)

Author: forbesjo

README.md

@@ -9,6 +9,8 @@
 Play HLS, DASH, and future HTTP streaming protocols with video.js, even where they're not
 natively supported.
 
+Included in video.js 7 by default! See the [video.js 7 blog post](https://blog.videojs.com/video-js-7-is-here/)
+
 Maintenance Status: Stable
 
 Video.js Compatibility: 6.0, 7.0
@@ -99,7 +101,8 @@ See [our troubleshooting guide](/docs/troubleshooting.md)
 Drop by our slack channel (#playback) on the [Video.js slack][slack-link].
 
 ## Getting Started
-Get a copy of [videojs-http-streaming](#installation) and include it in your page along with video.js:
+This library is included in video.js 7 by default, if you are using an older version of video.js then
+get a copy of [videojs-http-streaming](#installation) and include it in your page along with video.js:
 
 ```html
 <video-js id=vid1 width=600 height=300 class="vjs-default-skin" controls>