slight improvements to the generated index.cts boilerplate:

- use a wrapper type instead of a string subtype as the example wrapper logic, for clarity
- use `declare module` for a better suggested style of interacting with the addon (to avoid the any type)

pkgs/create-neon/data/templates/ts/index.cts.hbs

@@ -1,7 +1,14 @@
-const addon = require('./load.cjs');
+import * as addon from './load.cjs';
 
-export type Greeting = "hello node";
+declare module "./load.cjs" {
+  function hello(): string;
+}
+
+export type Greeting = {
+  message: string
+};
 
-export function hello(): Greeting {
-  return addon.hello();
+export function greeting(): Greeting {
+  const message = addon.hello();
+  return { message };
 }