[feat] add html typings (#7649)

This adds typings for HTML elements and their attributes. It's supposed to be used by the new transformation in language-tools.

Co-authored-by: Ignatius Bagus <ignatius.mbs@gmail.com>
Co-authored-by: Lyu, Wei-Da <36730922+jasonlyu123@users.noreply.github.com>

Author: 3 people

CHANGELOG.md

@@ -1,5 +1,9 @@
 # Svelte changelog
 
+## Unreleased
+
+* Add `svelte/elements` for HTML/Svelte typings ([#7649](https://github.com/sveltejs/svelte/pull/7649))
+
 ## 3.54.0
 
 * Pass `options.direction` argument to custom transition functions ([#3918](https://github.com/sveltejs/svelte/issues/3918))