docs: Added more shields

README.md

@@ -1,6 +1,9 @@
 # Ruffles 
 [![Build Status](https://img.shields.io/appveyor/ci/midlevel/ruffles/master.svg?logo=appveyor)](https://ci.appveyor.com/project/MidLevel/ruffles/branch/master)
 [![NuGet](https://img.shields.io/nuget/v/Ruffles.svg?logo=nuget)](https://www.nuget.org/packages/Ruffles)
+[![GitHub Release](https://img.shields.io/github/release/midlevel/Ruffles.svg?logo=github)]()
+[![Discord](https://img.shields.io/discord/449263083769036810.svg?label=discord&logo=discord&color=informational)](https://discord.gg/FM8SE9E)
+[![Licence](https://img.shields.io/github/license/midlevel/ruffles.svg?color=informational)](https://github.com/MidLevel/Ruffles/blob/master/LICENCE)
 
 Ruffles is a fully managed UDP library designed for high performance and low latency.