update for eXist 5.2.0

\# SADE-Project 5.0.0

This is a major release marking the end of the funding phase.

\# Features
- ajax loader for nested/referenced index entries
- added font “Cinzel”
- added release workflow

\# Adjustments
- contact details
- added sponsor to footer

\# Bugfixes
- find items from work index
- specifc CSS rules for A3, A5, A9 and D5

[tag_msg]

release w/o xqjson dependency

prepare	A2, A7,	C14, D9, D11, E4 and E6

prepare	for release of B15, C4, C9, C10 and D7

release new notebooks

release notebooks

release 4.4.0

release new notebooks

release minor version

prepare for new notebooks

fix config 'sade.develop' for master builds

prepare for more notebooks, restructure CSS, bugfixes

fix styling of to many items

add index files

index setup

ready for takeoff

fix dependency namespace

prepare for more notebooks

fixes filterset with dependency track