Change Discord link to one that doesn't expire (!)

README.md

@@ -4,7 +4,8 @@
 
 OliveTin is a web interface for running Linux shell commands.
 
-![Discord](https://img.shields.io/discord/846737624960860180?label=Discord%20Server) [![Go Report Card](https://goreportcard.com/badge/github.com/jamesread/OliveTin)](https://goreportcard.com/report/github.com/jamesread/OliveTin)
+[![Discord](https://img.shields.io/discord/846737624960860180?label=Discord%20Server)](https://discord.gg/jhYWWpNJ3v)
+[![Go Report Card](https://goreportcard.com/badge/github.com/jamesread/OliveTin)](https://goreportcard.com/report/github.com/jamesread/OliveTin)
 
 
 Some example **use cases**;
@@ -13,7 +14,7 @@ Some example **use cases**;
 2. Great for home automation tablets stuck on walls around your house - I use this to turn Hue lights on and off for example. 
 3. Sometimes SSH access isn't possible to a server, or you are feeling too lazy to type a long command you run regularly! I use this to send Wake on Lan commands to servers around my house.
 
-[Join the community on Discord.](https://discord.gg/JpDFXFH3)
+[Join the community on Discord.](https://discord.gg/jhYWWpNJ3v)
 
 ## YouTube video demo (6 mins)