Merge pull request #10222 from nextcloud/interface-dashboard

lib/composer/composer/autoload_classmap.php

lib/composer/composer/autoload_static.php

lib/private/Dashboard/DashboardManager.php

lib/private/Server.php

...ashboard/Exceptions/DashboardAppNotAvailableException.php

lib/public/Dashboard/IDashboardManager.php

lib/public/Dashboard/IDashboardWidget.php

lib/public/Dashboard/Model/IWidgetConfig.php

lib/public/Dashboard/Model/IWidgetRequest.php

lib/public/Dashboard/Model/WidgetSetting.php

lib/public/Dashboard/Model/WidgetSetup.php

lib/public/Dashboard/Model/WidgetTemplate.php

lib/public/Dashboard/Service/IEventsService.php

lib/public/Dashboard/Service/IWidgetsService.php

resources/app-info-shipped.xsd

resources/app-info.xsd