fix sidebar styles, header-bar style type
Merge branch 'hotfix-styling' into development

* hotfix-styling:
  fix sidebar styles, header-bar style type
Fix dev codebase
Setup login
Enable login, setup registration.
Update login, enable creation of users and add related utils
Merge branch 'feature-login' into development

* feature-login:
  Update login, enable creation of users and add related utils
  Enable login, setup registration.
  Setup login