Update README.md to add Discord invite

Author: travisvn

README.md

@@ -8,6 +8,8 @@
 ![GitHub last commit](https://img.shields.io/github/last-commit/travisvn/openai-edge-tts?color=red)
 ![Hits](https://hits.seeyoufarm.com/api/count/incr/badge.svg?url=https%3A%2F%2Fgithub.com%2Ftravisvn%2Fopenai-edge-tts&count_bg=%2379C83D&title_bg=%23555555&icon=&icon_color=%23E7E7E7&title=hits&edge_flat=false)
 [![](https://img.shields.io/static/v1?label=Sponsor&message=%E2%9D%A4&logo=GitHub&color=%23fe8e86)](https://img.shields.io/github/sponsors/travisvn)
+[![Discord](https://img.shields.io/badge/Discord-Voice_AI_%26_TTS_Tools-blue?logo=discord&logoColor=white)](https://discord.gg/GkFbBCBqJ6)
+
 
 This project provides a local, OpenAI-compatible text-to-speech (TTS) API using `edge-tts`. It emulates the OpenAI TTS endpoint (`/v1/audio/speech`), enabling users to generate speech from text with various voice options and playback speeds, just like the OpenAI API.