Add audio nodes to the patch bay

Also make the patch bay responsive.

crates/synth-visualiser/Cargo.toml

@@ -53,3 +53,8 @@ features = [
 
 [dev-dependencies]
 wasm-bindgen-test = "0.3"
+
+# Tell wasm-pack's bundled wasm-opt to accept the bulk-memory and SIMD
+# instructions that rustc emits for wasm32-unknown-unknown.
+[package.metadata.wasm-pack.profile.release]
+wasm-opt = ["-O4", "--enable-bulk-memory", "--enable-simd", "--enable-nontrapping-float-to-int"]