cors env settings

add readme

add docker compose build

date fix and authentication

add fronted and isAuthenticated

backend part of City

add mapstruct

initial commit

fix test saving

settings for admin

testName fix

test and groups view

file structure and refere filter

unzip files

only one feedback to one usertask for one judge

renames and fixes

change jwt to http session

fix grouping users

add lock to local by contest id creation

renames session to contest-id and task-number

add groups to users

new Participant result table