Merge pull request #551 from NepNep21/matrix

Add official matrix space (created by huddy last year but never publicized)

Author: Avanatiker

Diff for: README.md

@@ -23,6 +23,8 @@ Find our plugins [here](https://github.com/lambda-plugins).
   <a href="https://discord.gg/QjfBxJzE5x"><img src="https://invidget.switchblade.xyz/QjfBxJzE5x" alt="Link to the lambda discord server https://discord.gg/QjfBxJzE5x"></a>
 </div>
 
+Find our matrix space at [#lambda-client:matrix.org](https://app.element.io/#/room/#lambda-client:matrix.org).
+
 ## Installation
 1. Install Minecraft 1.12.2
 2. Install the latest Forge for 1.12.2 [(download)](https://files.minecraftforge.net/net/minecraftforge/forge/index_1.12.2.html)