Add more developer-focused content to XP description.

Author: Thomas Heartman

src/site/headless-cms/enonic-xp.md

@@ -14,6 +14,8 @@ images:
   - path: /img/cms/enonic-xp-graphql.png
 ---
 
+# Headless content for any front end
+
 Create, curate, and distribute content to any channel. Enonic strives
 to make day to day operations easier for everyone involved. With the
 fully customizable Enonic platform, developers and editors can work
@@ -23,11 +25,32 @@ Enonic's open platform, software development kit, and intuitive
 framework enable developers to quickly become productive. Easily
 integrate with your existing development pipeline and best practices.
 
+## Searchable
+
+All your content is automatically indexed and searchable down to
+single fields. Aggregate and search across your content and get search
+scoring and highlighting, even for files.
+
+## GraphQL API for all your data
+
+Instantly access your data from any device or client with the strongly
+typed GraphQL API. Get exactly what you need and nothing more with a
+single query. You can even customize and extend the API to meet your
+requirements.
+
+## Easy images
+
+The image handling tools make it easy to insert, edit and share images
+across every platform and device. Scale, crop, and set focal points to
+make your images pop in every situation.
+
+## Managed or self-hosted, on-prem or in the cloud
+
 Enonic is available as a managed platform for faster deployment and
 improved security, or you can host it yourself in your cloud of choice
 or on-prem.
 
-## Getting started
+# Getting started
 
 Follow the documentation for your OS at [the getting started
 pages](https://developer.enonic.com/start). The [Enonic