[ci skip] reorder documentation index page

docs/index.md

@@ -2,18 +2,27 @@
 
 Docker powered mini-Heroku. The smallest PaaS implementation you've ever seen.
 
-## Table Of Contents
+### Getting Started
 
 - [Installation](http://progrium.viewdocs.io/dokku/installation)
 - [Upgrading](http://progrium.viewdocs.io/dokku/upgrading)
 - [Troubleshooting](http://progrium.viewdocs.io/dokku/troubleshooting)
-- [Components](http://progrium.viewdocs.io/dokku/components)
+
+### Deployment
+
 - [Application Deployment](http://progrium.viewdocs.io/dokku/application-deployment)
-- [Remote commands](http://progrium.viewdocs.io/dokku/remote-commands)
-- [Plugins](http://progrium.viewdocs.io/dokku/plugins)
 - [Configuration management](http://progrium.viewdocs.io/dokku/configuration-management)
+- [Process management](http://progrium.viewdocs.io/dokku/process-management)
+- [DNS Configuration](http://progrium.viewdocs.io/dokku/dns)
 - [Nginx Configuration](http://progrium.viewdocs.io/dokku/nginx)
-- [DNS](http://progrium.viewdocs.io/dokku/dns)
+- [Running Remote commands](http://progrium.viewdocs.io/dokku/remote-commands)
+
+### Community Contributions
+
+- [Plugins](http://progrium.viewdocs.io/dokku/plugins)
+
+### Development
+
 
 ## Things this project won't do