Add deprecation notice to Tailwind integration README (#13471)

* Add deprecation notice to Tailwind integration README

* Add changeset

* Use `[docs]` link style again

* update link to more direct content

---------

Co-authored-by: Sarah Rainsberger <5098874+sarah11918@users.noreply.github.com>

Co-authored-by: anaxite <89195061+anaxite@users.noreply.github.com>
Co-authored-by: sarah11918 <5098874+sarah11918@users.noreply.github.com>
Co-authored-by: Adammatthiesen <30383579+Adammatthiesen@users.noreply.github.com>
Co-authored-by: HiDeoo <494699+HiDeoo@users.noreply.github.com>

Author: 5 people

.changeset/witty-socks-relax.md

@@ -0,0 +1,5 @@
+---
+'@astrojs/tailwind': patch
+---
+
+Updates the README to indicate that the Tailwind integration is deprecated

packages/integrations/tailwind/README.md

@@ -1,10 +1,10 @@
 # @astrojs/tailwind 💨
 
-This **[Astro integration][astro-integration]** brings [Tailwind's](https://tailwindcss.com/) utility CSS classes to every `.astro` file and [framework component](https://docs.astro.build/en/core-concepts/framework-components/) in your project, along with support for the Tailwind configuration file.
-
-## Documentation
-
-Read the [`@astrojs/tailwind` docs][docs]
+> ⚠️ **This integration is deprecated**
+>
+> [Tailwind CSS now offers a Vite plugin](https://tailwindcss.com/docs/installation/framework-guides/astro) which is the preferred way to use Tailwind 4 in Astro.
+>
+> [Learn how to use Tailwind in your Astro project in the Styling guide.][docs]
 
 ## Support
 
@@ -29,7 +29,7 @@ MIT
 Copyright (c) 2023–present [Astro][astro]
 
 [astro]: https://astro.build/
-[docs]: https://docs.astro.build/en/guides/integrations-guide/tailwind/
+[docs]: https://docs.astro.build/en/guides/styling/#tailwind
 [contributing]: https://github.com/withastro/astro/blob/main/CONTRIBUTING.md
 [coc]: https://github.com/withastro/.github/blob/main/CODE_OF_CONDUCT.md
 [community]: https://github.com/withastro/.github/blob/main/COMMUNITY_GUIDE.md