Correct README formatting

Author: fu5ha

README.md

@@ -13,13 +13,16 @@
 **Rust as a first-class language and ecosystem for GPU graphics & compute shaders**
 
 ## This project has moved home!
+</div>
 
 This repository was the nursery of `rust-gpu` during its inception and while it was still under the
 stewardship of [Embark Studios](https://embark.dev/). It has now moved into community ownership
 under the Rust-GPU GitHub organization. `rust-gpu` is still used by Embark and this repository still
 gets used for work specific to us. However, its main home has relocated to the community.
 
-#### [**Active development continues in its new home, under the Rust-GPU org!**](https://github.com/Rust-GPU/rust-gpu)
+<div align="center">
+### [**Active development continues in its new home, under the Rust-GPU org!**](https://github.com/Rust-GPU/rust-gpu)
+</div>
 
 ## How `rust-gpu` began