docs: update banner

Author: pi0

docs/content/en/1.getting-started/1.installation.md

@@ -1,10 +1,13 @@
 ---
 description: Using image module in your Nuxt 2 project is only one command away. ✨ (It's not working with Nuxt 3 yet)
 ---
-# It does not work on Nuxt 3, yet. Track the progress in [this issue](https://github.com/nuxt/image/issues/500)
 
 # Installation
 
+:::alert{type="info"}
+Image module only works with Nuxt 2 and is not compatible with Nuxt 3, yet. Track the progress in [this issue](https://github.com/nuxt/image/issues/500).
+:::
+
 Add `@nuxt/image` devDependency to your project:
 
 ::code-group