docs: add discord badge

Author: Robitx

README.md

@@ -6,6 +6,8 @@
 <a href="https://github.com/Robitx/gp.nvim/pulls"><img alt="GitHub closed pull requests" src="https://img.shields.io/github/issues-pr-closed/Robitx/gp.nvim"></a>
 <a href="https://github.com/Robitx/gp.nvim/graphs/contributors"><img alt="GitHub contributors" src="https://img.shields.io/github/contributors-anon/Robitx/gp.nvim"></a>
 <a href="https://github.com/search?q=%2F%5E%5B%5Cs%5D*require%5C%28%5B%27%22%5Dgp%5B%27%22%5D%5C%29%5C.setup%2F+language%3ALua&type=code&p=1"><img alt="Static Badge" src="https://img.shields.io/badge/Use%20in%20the%20Wild-8A2BE2"></a>
+<a href="https://discord.gg/dYyHmyNpv7"><img alt="Discord" src="https://img.shields.io/discord/1200485978725433484?label=Discord"></a>
+
 
 # Gp.nvim (GPT prompt) Neovim AI plugin