use placeholder in folder update route
change folder_id parm by parent in list folder view
create content controller
create contentModificationForm
create ContentEvent
create contentCreateEvent
create contentUpdateEvent
display content modification page
dispatch event in pre/post crud method for content model
create content listener for crud management
update default param of content model
allow to create new content
fix issue, default foler is set on content creation
fire event on insert content in createmethod