Update README.md

bStats graph in readme.md

Author: bierdosenhalter

README.md

@@ -37,6 +37,10 @@ feature. Therefore, I have developed this plugin.
 
 - BungeeCord API
 
+### Statistics
+
+![Graph](https://bstats.org/signatures/bungeecord/0b0t_ServerListListener.svg)
+
 ### Warranty
 
 The Software is provided "as is" and without warranties of any kind, express
@@ -45,4 +49,4 @@ fitness for a particular purpose, and non-infringement. In no event shall the
 Authors or copyright owners be liable for any claims, damages or other
 liability, whether in an action in contract, tort or otherwise, arising from,
 out of or in connection with the Software or the use or other dealings in the
-Software.
+Software.