docs: note future A component deprecation (#1620)

* docs: note future A component deprecation

* Update src/routes/solid-router/reference/components/a.mdx

Co-authored-by: Amir Hossein Hashemi <87268103+amirhhashemi@users.noreply.github.com>

* Update src/routes/solid-router/reference/components/a.mdx

Co-authored-by: Amir Hossein Hashemi <87268103+amirhhashemi@users.noreply.github.com>

---------

Co-authored-by: kodiakhq[bot] <49736102+kodiakhq[bot]@users.noreply.github.com>
Co-authored-by: Amir Hossein Hashemi <87268103+amirhhashemi@users.noreply.github.com>

Author: 3 people

src/routes/solid-router/reference/components/a.mdx

@@ -12,6 +12,10 @@ description: >-
   A wraps a native anchor element for Solid Router navigation.
 ---
 
+:::note
+`A` will be deprecated in favor of the native `<a>` element.
+:::
+
 `A` wraps the native [`<a>`](https://developer.mozilla.org/en-US/docs/Web/HTML/Element/a) element with Solid Router path resolution, active-state classes, and the router `link` marker used by delegated navigation handling.
 
 ## Import