Fix Servers badge link in README

Updated the Servers badge link in README.md.

Author: Valorless

README.md

@@ -9,7 +9,7 @@
 [![](https://img.shields.io/spiget/tested-versions/110420?label=Tested%20Version)]()
 [![](https://img.shields.io/badge/Requires-ValorlessUtils-red?style=flat)]()
 [![](https://img.shields.io/github/issues/valorless/RareSpawnsLite?label=Issues)]()
-[![](https://img.shields.io/bstats/servers/27928?label=Servers)]()
+[![](https://img.shields.io/bstats/servers/27928?label=Servers)](https://bstats.org/plugin/bukkit/RareSpawns/27928)
 
 Lite: 
 [![](https://img.shields.io/spiget/downloads/110420?label=Downloads)]()