Example on using entities

Author: markus-wa

examples/README.md

@@ -6,5 +6,6 @@ Here you can find a overview of examples on how to use demoinfocs-golang.
 |-|-|
 |[heatmap](heatmap)|Creating a heatmap from positions where players fired shots from|
 |[nade-trajectories](nade-trajectories)|Map overview with grenade trajectories|
+|[entities](entities)|Using unhandled data from entities (`Parser.ServerClasses()`)|
 |[net-messages](net-messages)|Parsing and handling custom net-messages|
 |[print-events](print-events)|Printig kills & scores|