Base: Add manual page for Breakout

Author: https://github.com/DavidLindbom
Commit: d0d3c0c615
Pull-request: https://github.com/SerenityOS/serenity/pull/11772
Reviewed-by: https://github.com/Rummskartoffel
Reviewed-by: https://github.com/bgianfo ✅

Base/usr/share/man/man6/Breakout.md

@@ -0,0 +1,15 @@
+## Name
+
+Breakout
+
+## Synopsis
+
+```**sh
+$ Breakout
+```
+
+## Description
+
+Breakout is an arcade game from 1976 where the goal is to remove all blocks by hitting them with a ball bouncing it of a pad.
+
+The pad can be moved by either using the mouse or the left and right arrow keys.