Added mine.moneropro.com in pools list

Author: tosokr

README.md

@@ -72,5 +72,6 @@ Known Working Pools
 * [minemonero.pro](https://minemonero.pro)
 * [XMRPool.xyz](https://xmrpool.xyz)
 * [ViaXMR.com](https://viaxmr.com)
+* [mine.MoneroPRO.com](https://mine.moneropro.com)
 
 If you'd like to have your pool added, please make a pull request here, or contact Snipa on IRC!