Update simpleranks readme

Author: TotallyMehis

influx_simpleranks_readme.txt

@@ -9,4 +9,6 @@ Simple ranks is what the name suggests, simple. Here's some stuff you might want
 
 - The default map reward cvar does not apply to bonuses. You must set the reward for bonuses yourself with sm_setmapreward.
 
+- You can give players points with !givesimplepoints <target (optional)> <amount>.
+
 - I urge you to configure the ranks, their names and colors, style rewards, etc. The configuration out of the box is bad and will most likely not fit your mapcycle/styles you host.