Give explicity example of importing JS runtime

No where in the docs, google, github issues or discussions could I find an example of importing the runtime JS but after some experimentation I figured it out.

I think it would help future users if a simple example was shown like this so they have a clear reference of how to import the runtime.

website/versioned_docs/version-v2.7.0/reference/runtime/intro.mdx

@@ -34,6 +34,13 @@ The JavaScript library is available to the frontend via the `window.runtime` map
 mode that provides TypeScript declarations for the runtime. This should be located in the `wailsjs` directory in your
 frontend directory.
 
+e.g. if you wanted to import the [EventsOn](./events/#eventson) function in a Svelte app, you can do the following:
+
+```ts
+// src/App.svelte (for example)
+import { EventsOn } from '../wailsjs/runtime'
+```
+
 ### Hide
 
 Go: `Hide(ctx context.Context)`<br/>