Аdded optimizations

Cargo.toml

@@ -10,6 +10,12 @@ incremental = true
 codegen-units = 256
 rpath = false
 
+# Rapier is a LOT faster with optimizations,
+# make sure they're always enabled
+[profile.dev.package.rapier2d]
+opt-level = 3
+codegen-units = 1
+
 [profile.release]
 opt-level = 3
 debug = false