Update README.md

Author: DylanYasen

README.md

@@ -4,5 +4,6 @@
 ## Dependencies 
 * [ValveSoftware/GameNetworkingSockets-1.0.0](https://github.com/ValveSoftware/GameNetworkingSockets/releases)
   * prebuilt (64bit/release) dll included in the plugin folder. 
+  * follow this [guide](https://github.com/ValveSoftware/GameNetworkingSockets/blob/master/BUILDING.md) to build it yourself. good luck and have fun if you're on windows ( ͡° ͜ʖ ͡°)
 * [nxrighthere/ValveSockets-CSharp](nxrighthere/ValveSockets-CSharp)
   * this guy is cool, check him out.