[FEATURE] Expand readme with a quick start
[FEATURE] Expand readme with a quick start

This adds some lines how to get really started
with the blog plugin.

Closes #1

robertlemke/RobertLemke.Plugin.Blog,million12/Neos.Plugin.Blog,robertlemke/RobertLemke.Plugin.Blog,robertlemke/RobertLemke.Plugin.Blog,million12/Neos.Plugin.Blog