docs(assets): update vite-plugin-svelte issue status (#2280)

Author: bluwy

documentation/faq/45-assets.md

@@ -12,4 +12,8 @@ You can have Vite process your assets by importing them as shown below:
 <img src="{imageSrc}" />
 ```
 
-There is an [open request in `vite-plugin-svelte` to help do this automatically](https://github.com/sveltejs/vite-plugin-svelte/issues/114).
+If you prefer to directly import in the markup, try [svelte-preprocess-import-assets](https://github.com/bluwy/svelte-preprocess-import-assets) and you can write this instead:
+
+```html
+<img src="$lib/assets/image.png" />
+```