Announcement.yaml

Announcement:
  type: object
  properties:
    id:
      type: string  // UUID
    topic:
      type: string  // staff/security, public/schedule, public/alert
    title:
      type: string  // Shit's on fire yo
    message:
      type: string  // Maybe get out?
    sent_by:
      type: string  // Requinard
    date_sent
      type: string
      format: datetime

device.yaml

DeviceEntry:
  type: object
  properties:
    id:
      type:string
    device:
      type: int // 1 for android, 2 for ios, 3 for wp and more
    token:
      type: string