Add docs on application helper
Add docs on application helper

SchoolKeep/filepicker-rails,munirent/filepicker-rails,SchoolKeep/filepicker-rails,Ink/filepicker-rails,SchoolKeep/filepicker-rails,Ink/filepicker-rails,munirent/filepicker-rails,Ink/filepicker-rails,munirent/filepicker-rails