Feature/beta 2398
A new 'header' template which is included main title, add-button(optional) and back-button(optional).
Task: https://schluss.atlassian.net/browse/BETA-2398
A new 'header' template which is included main title, add-button(optional) and back-button(optional).
Task: https://schluss.atlassian.net/browse/BETA-2398