Add favicon

Makefile

@@ -21,9 +21,10 @@ kitchen: wasm kitchen/src/*.rs
 release: wasmrelease
 	cd kitchen; cargo build --release
 
-static-prep: web/index.html web/static/*.css
+static-prep: web/index.html web/favicon.ico web/static/*.css
 	mkdir -p web/dist
 	cp -r web/index.html web/dist/
+	cp -r web/favicon.ico web/dist/
 	cp -r web/static web/dist/
 
 wasmrelease: wasmrelease-dist static-prep

kitchen/src/web/mod.rs

@@ -371,6 +371,7 @@ pub async fn ui_main(recipe_dir_path: PathBuf, store_path: PathBuf, listen_socke
         .expect("Failed to run database migrations");
     let router = Router::new()
         .route("/", get(|| async { Redirect::temporary("/ui/plan") }))
+        .route("/favicon.ico", get(|| async { StaticFile("favicon.ico") }))
         .route("/ui/*path", get(ui_static_assets))
         // TODO(jwall): We should use route_layer to enforce the authorization
         // requirements here.