feat: redirect /favicon.ico to viteplus.dev/favicon.svg

Author: fengmk2

routes/favicon.ico.ts

@@ -0,0 +1,5 @@
+import { defineHandler } from "void";
+
+export const GET = defineHandler((c) => {
+  return c.redirect("https://viteplus.dev/favicon.svg", 301);
+});