Fix warning in themeadapter-material3.md

docs/themeadapter-material3.md

@@ -3,7 +3,7 @@
 [![Maven Central](https://img.shields.io/maven-central/v/com.google.accompanist/accompanist-themeadapter-material3)](https://search.maven.org/search?q=g:com.google.accompanist)
 
 !!! warning
-**This library is deprecated, and the API is no longer maintained. We recommend generating a theme with [Material Theme Builder](https://m3.material.io/theme-builder)** The original documentation is below.
+    **This library is deprecated, and the API is no longer maintained. We recommend generating a theme with [Material Theme Builder](https://m3.material.io/theme-builder)** The original documentation is below.
 
 ## Migration
 Recommendation: Use the [Material Theme Builder](https://m3.material.io/theme-builder) tool, or an alternative design tool, to generate a matching XML and Compose theme implementation for your app. See [Migrating XML themes to Compose](https://developer.android.com/jetpack/compose/designsystems/views-to-compose) to learn more.
@@ -141,4 +141,4 @@ limitations under the License.
 [materialtheme]: https://developer.android.com/reference/kotlin/androidx/compose/material3/MaterialTheme
 [colorscheme]: https://developer.android.com/reference/kotlin/androidx/compose/material3/ColorScheme
 [typography]: https://developer.android.com/reference/kotlin/androidx/compose/material3/Typography
-[shapes]: https://developer.android.com/reference/kotlin/androidx/compose/material3/Shapes
+[shapes]: https://developer.android.com/reference/kotlin/androidx/compose/material3/Shapes