Merge pull request #1244 from JiLiZART/patch-1

Add Ultimate Guitar to Real-World Apps section in README

README.md

@@ -68,6 +68,7 @@ Preact supports modern browsers and IE9+:
 - [**Preact Hacker News**](https://hn.kristoferbaxter.com) _([GitHub Project](https://github.com/kristoferbaxter/preact-hn))_
 - [**Play.cash**](https://play.cash) :notes: _([GitHub Project](https://github.com/feross/play.cash))_
 - [**BitMidi**](https://bitmidi.com/) 🎹 Wayback machine for free MIDI files _([GitHub Project](https://github.com/feross/bitmidi.com))_
+- [**Ultimate Guitar**](https://www.ultimate-guitar.com) 🎸speed boosted by Preact.
 - [**ESBench**](http://esbench.com) is built using Preact.
 - [**BigWebQuiz**](https://bigwebquiz.com) _([GitHub Project](https://github.com/jakearchibald/big-web-quiz))_
 - [**Nectarine.rocks**](http://nectarine.rocks) _([GitHub Project](https://github.com/developit/nectarine))_ :peach: