Updated README with donate link and chrome web store link

Author: jebeaudet

README.md

@@ -1,2 +1,11 @@
 # ChRomeTC
-Chrome extension for RTC Nomade
+Chrome extension for RTC Nomade.
+
+# How to install
+Use the [Chrome web store](https://chrome.google.com/webstore/detail/chrometc/ghonlpiinhagjnhgiohnnbajakcfohid).
+
+You can also clone this repo and add it via the developer mode in Chrome.
+
+# Donations
+[Donations are welcome!](https://www.paypal.me/jebeaudet) 
+