track document state better for activity feed

[ntheile]

feed = [
  { 
    date: 'datetime' , 
    event: 'updated annotations || sent email to email.com' ||  'signed to the blockchain',
    docGuid: 'ereiu-343jvdf9-44k-44',
    docName: 'file1.pdf',
    userId: 'nicktee.id'
  }
]