LSK Chat module

``js
Message.getRole(userId) -> owner
Message.is('owner') // ?
Message.roles = {
owner: {
read: ['title', 'createdAt'], // all
write: ['user, 'owner'] // info
}
guest: {
read: ['title', 'createdAt'], // all
write: ['user, 'owner'] // null
}
validate params
1) OWNER
2) Public


Message.isOwner = (userId) => { this.ownerId } ['content']
Message.canWrite = ['content']
MEssage.canWrite = ['content']

schema = {
title: {
canWrite: () => {}
}
}
``