ci: check and build with features

src/main.rs

@@ -6,10 +6,12 @@ mod commands;
 mod events;
 mod http;
 mod lua;
-mod matrix;
 mod particle;
 mod replay;
 
+#[cfg(feature = "matrix")]
+mod matrix;
+
 use anyhow::Context;
 use arguments::Arguments;
 use azalea::{