feat: export type Picture in enhanced-img (#15225)

* feat: export type Picture in enhanced-img

This type is part of public api, so it should be reexported.
Otherwise users have to explicitly add "vite-imagetools", or use hacks
like `typeof import('fake.jpg?enhanced').default`

This type is needed when using `import.meta.glob`, because by default it
is getting typed as `unknown`.

* Apply suggestion from @teemingc

Co-authored-by: Tee Ming <[email protected]>

* tweak

---------

Co-authored-by: Elliott Johnson <[email protected]>
Co-authored-by: Tee Ming <[email protected]>

Author: 3 people

.changeset/tired-papayas-cough.md

@@ -0,0 +1,5 @@
+---
+'@sveltejs/enhanced-img': minor
+---
+
+feat: re-export the `Picture` type from `vite-imagetools`

packages/enhanced-img/types/index.d.ts

@@ -3,6 +3,8 @@ import type { Plugin } from 'vite';
 import type { Picture } from 'vite-imagetools';
 import './ambient.js';
 
+export { Picture };
+
 type EnhancedImgAttributes = Omit<HTMLImgAttributes, 'src'> & { src: string | Picture };
 
 // https://svelte.dev/docs/svelte/typescript#enhancing-built-in-dom-types