docs: Move why use out of centered div

README.md

@@ -3,15 +3,18 @@
 # asdf-amm [![Build](https://github.com/ysthakur/asdf-amm/actions/workflows/build.yml/badge.svg)](https://github.com/ysthakur/asdf-amm/actions/workflows/build.yml) [![Lint](https://github.com/ysthakur/asdf-amm/actions/workflows/lint.yml/badge.svg)](https://github.com/ysthakur/asdf-amm/actions/workflows/lint.yml)
 
 [Ammonite](https://ammonite.io/) plugin for the [asdf version manager](https://asdf-vm.com).
+
+</div>
+
+## Why use this?
+
 The official instructions for installing Ammonite involve downloading the executable
 for your desired version into a folder like `/usr/local/bin`, but this means you can
 only have one version of Ammonite accessible at a time, and both installation and
 updating are a bit annoying. asdf lets you install multiple versions of tools such
 as Ammonite at a time, and you can switch between them automatically, in case you
 need different Ammonite versions in different projects.
 
-</div>
-
 # Contents
 
 - [Dependencies](#dependencies)