Updated README badges

Author: andersevenrud

README.md

@@ -10,7 +10,7 @@
 [![Support](https://img.shields.io/badge/opencollective-donate-red.svg)](https://opencollective.com/osjs)
 [![Donate](https://img.shields.io/badge/liberapay-donate-yellowgreen.svg)](https://liberapay.com/os-js/)
 [![Donate](https://img.shields.io/badge/paypal-donate-yellow.svg)](https://paypal.me/andersevenrud)
-[![Community](https://img.shields.io/badge/join-community-green.svg)](https://community.os-js.org/)
+[![Donate](https://img.shields.io/badge/bitcoin-donate-blue.svg)](https://manual.os-js.org/wallet.png)
 
 ## Introduction