docs: Update README.md

- Fixed the badges alignment
- Fixed the discord link actually working

README.md

@@ -1,9 +1,8 @@
 <p align="center">
 <img src="img/rig_logo.svg" alt="Rig Logo" style="width: 75%; height: 75%;"><br>
-
 <a href="https://crates.io/crates/rig-core"><img src="https://img.shields.io/crates/v/rig-core.svg" /></a>
 &nbsp;
-<a href="[https://discord.gg/gkp6UqEUph](https://discord.gg/playgrounds)"><img src="https://img.shields.io/discord/511303648119226382?color=%236d82cc&label=Discord&logo=discord&logoColor=white" /></a>
+<a href="https://discord.gg/playgrounds"><img src="https://img.shields.io/discord/511303648119226382?color=%236d82cc&label=Discord&logo=discord&logoColor=white" /></a>
 &nbsp;
 <a href=""><img src="https://img.shields.io/badge/built_with-Rust-dca282.svg?logo=rust" /></a>
 &nbsp;