Fix Discord link in README

Updated Discord invite link in README.md.

Author: andandandand

README.md

@@ -2,7 +2,7 @@
 
 > **Open-source dataset curation + embedding visualization (Euclidean + Poincaré disk)**
 
-[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/Hyper3Labs/HyperView) [![Open in HF Spaces](https://huggingface.co/datasets/huggingface/badges/resolve/main/open-in-hf-spaces-sm.svg)](https://huggingface.co/spaces/hyper3labs/HyperView) [![Discord](https://img.shields.io/badge/Discord-hyper%C2%B3labs-5865F2?logo=discord&logoColor=white)](https://discord.gg/Az7k4Ure)
+[![License: MIT](https://img.shields.io/badge/License-MIT-yellow.svg)](https://opensource.org/licenses/MIT) [![Ask DeepWiki](https://deepwiki.com/badge.svg)](https://deepwiki.com/Hyper3Labs/HyperView) [![Open in HF Spaces](https://huggingface.co/datasets/huggingface/badges/resolve/main/open-in-hf-spaces-sm.svg)](https://huggingface.co/spaces/hyper3labs/HyperView) [![Discord](https://img.shields.io/badge/Discord-hyper%C2%B3labs-5865F2?logo=discord&logoColor=white)](https://discord.gg/Za3rBkTPSf)
 
 <p align="center">
   <a href="https://huggingface.co/spaces/hyper3labs/HyperView" target="_blank">