Add build badge for Xylo

Author: giraffekey

README.md

@@ -1837,7 +1837,7 @@ See also [Are we game yet?](https://arewegameyet.rs)
 * [rhaiscript/rhai](https://github.com/rhaiscript/rhai) - A tiny and fast embedded scripting language resembling a combination of JavaScript and Rust [![build badge](https://github.com/rhaiscript/rhai/workflows/Build/badge.svg)](https://github.com/rhaiscript/rhai/actions)
 * [rune-rs/rune](https://github.com/rune-rs/rune) - An embeddable dynamic programming language
 * [trynova/nova](https://github.com/trynova/nova) - JavaScript engine written entirely in Rust
-* [giraffekey/xylo](https://github.com/giraffekey/xylo) [[tatami](https://crates.io/crates/xylo-lang)] - A functional programming language for procedural art.
+* [giraffekey/xylo](https://github.com/giraffekey/xylo) [[tatami](https://crates.io/crates/xylo-lang)] - A functional programming language for procedural art. [![build badge](https://github.com/giraffekey/xylo/actions/workflows/rust.yml/badge.svg)][https://github.com/giraffekey/xylo/actions]
 
 ### Simulation