* make preview area of class: text so styles are applied as expected
* fix evaluation of Markup h2/h3 attribute toc=false, so headings are excluded from TOC as expected
* convert configuration from list of constants to object
* fixes config changes not applying on cli whithout closing and reopening again
* config variables are no longer embedded in localization text
* a guide is a wrapper around an article providing management tools.
* administration is limited to the review process. Needs to be expanded.
* articles on DB pages are seperate. Editor will be added in the future.