Merge branch 'hotfix/fix_decoratir'

* hotfix/fix_decoratir:
  fix decorator
Merge branch 'release/0.2.5'

* release/0.2.5:
  add favicon.ico
  add icons
update gem
Merge branch 'hotfix/update_kabal_version' into develop

* hotfix/update_kabal_version:
  update gem