* Describe what KIWI needs to run, further requirements, and for development
* Introduce 'ghkiwi' as prefix in "extlinks" to shorten external links and
to make linking to KIWI's GitHub repository more intuitive and consistent.
For example, the string :ghkiwi:`tox.ini` is replaced with
https://github.com/SUSE/kiwi/blob/master/tox.ini
* Overall: try to be more consistent
* index.rst
* Move "Supported Distributions" and "Dropped Features" sections
* Quick Start:
* Add abstract
* Add note about automatic link creation
* Move "example appliance description" sections and subsections
further down
* Streamlined "Contributing" section
* Corrected titles and distinguish more between descriptive and
procedural
* Added Quick Start Guide, taken from README.md
* Improve index/main file:
* Shortend main entry page
* Make more headings
* Add feature highlights to draw attention
* Add sidebar with important KIWI links
* Use ordered list of KIWI concept (prep and creation step)