Adds Way to retrieve next event of a group
Adds JSON-Error Output
Ads new Leaflet and optimizes Event-Display

This adds a new leaflet-version and optimizes the display of
Usergroup-Events in the Usergroup-Popup
Removes Logger
Adds stable monolog
Merge pull request #44 from heiglandreas/feature/addIcalOutput

Feature/add ical output
Adds subdomain routing
Merge pull request #45 from heiglandreas/feature/addSubdomain

Adds subdomain routing
Sets default state
Merge pull request #46 from heiglandreas/hotfix/setDefaultState

Sets default state
Removes local repo from composer.json
Merge pull request #47 from heiglandreas/hotfix/removeRepo

Removes local repo from composer.json
Removes default application-config
Merge pull request #48 from heiglandreas/hotfix/removeMainConfig

Removes default application-config
Merge remote-tracking branch 'main/master' into feature/addCachingTable

Conflicts:
	composer.json
	src/module/Phpug/config/module.config.php