Update README.md (#55)

This closes #38 

This re-write aims to provide some instructions for this repo to theme authors and other users.

README.md

@@ -1,8 +1,6 @@
 # hugoBasicExample
 
-This is an example site for [Hugo](https://gohugo.io/).
-
-It is intended to be a demo site for the various [Hugo themes](https://themes.gohugo.io/).
+This repository offers an example site for [Hugo](https://gohugo.io/) and also it provides the default content for demos hosted on the [Hugo Themes Showcase](https://themes.gohugo.io/).
 
 # Using
 
@@ -12,15 +10,13 @@ It is intended to be a demo site for the various [Hugo themes](https://themes.go
 git clone https://github.com/gohugoio/hugoBasicExample.git
 cd hugoBasicExample
 ```
-3. Clone the repository you want to test. If you want to test all hugo themes, you can clone [the full list](https://github.com/gohugoio/hugoThemes)
-```bash
-git clone --recursive https://URL/OF/YOUR/THEME themes/YOURTHEME
-```
-or
-```bash
-git clone --recursive https://github.com/gohugoio/hugoThemes.git themes
-```
+3. Clone the repository you want to test. If you want to test all Hugo Themes then follow the instructions provided [here](https://github.com/gohugoio/hugoThemes#installing-all-themes)
 4. Run Hugo and select the theme of your choosing
 ```bash
 hugo server -t YOURTHEME
 ```
+5. Under `/content/` this repository contains the following:
+- A section called `/post/` with sample markdown content
+- A headless bundle called `homepage` that you may want to use for single page applications. You can find instructions about headless bundles over [here](https://gohugo.io/content-management/page-bundles/#headless-bundle)
+- An `about.md` that is intended to provide the `/about/` page for a theme demo
+6. If you intend to build a theme that does not fit in the content structure provided in this repository, then you are still more than welcome to submit it for review at the [Hugo Themes](https://github.com/gohugoio/hugoThemes/issues) respository