#7, #6

Closes #7 and #6

See merge request innohs/ueq-erweiterung-dashboard!1

close #6

close #7

* cleaned main
* cleaned paths
* cleaned description and readme

* changed style from Blue to Pastel
* made the sum operation in pandas not in seaborn
* sorted values in diagrams
* changed ticks style in community diagram
* changed filename to demographics_.*.png

* added Tab for UEQ+ and Questionnaire
* added Items

Merge branch 'new-main' of https://gitup.uni-potsdam.de/innohs/ueq-erweiterung-dashboard into new-main

Merge branch 'new-main' of https://gitup.uni-potsdam.de/innohs/ueq-erweiterung-dashboard into new-main

# Conflicts:
#	src/main.py

+ requirements.txt

+ first part of the description
+ project structure
+ road map
+ conversion from origal paper to UEQ+ v2