feat(ultracompact): adds setting for ultracompact mode

Author: philtweir

Diff for: src/content/docs/configuration/config.mdx

@@ -252,6 +252,15 @@ Default: `true`
 
 Configure whether or not to show tabs for search and inspect.
 
+### `auto_hide_height`
+Atuin version: >= 18.4
+
+Default: `8`
+
+Set Atuin to hide lines when a minimum number of rows is subceeded. This has no effect except
+when `compact` style is being used (see `style` above), and currently applies to only the
+interactive search and inspector. It can be turned off entirely by setting to `0`.
+
 ### `exit_mode`
 Default: `return-original`