web: plumb websocket messages through to UI

web/src/main.rs

@@ -2,6 +2,8 @@
 //  - it's useful when you want to check your code with `cargo make verify`
 // but some rules are too "annoying" or are not applicable for your case.)
 #![allow(clippy::wildcard_imports)]
+// Until https://github.com/rust-lang/rust/issues/138762 is addressed in dependencies
+#![allow(wasm_c_abi)]
 
 use log::Level;
 use seed::App;