P2P Sample Game

[LowFire]

I've created a repo for a sample game that demonstrates the use of the P2P Interface and the EOSGMultiplayerPeer class and provides a simple example of how it can be used. The repo can be found here: https://github.com/LowFire/EOSGP2PInterfaceTestGame.

The sample game was requested in #13. It can be linked to in the readme if desired.