Users:
  username: string
  email: string
  password: bcrypt hash

Teams:
  name: string
  desc: string
  members: {
    userId: "member" || "owner"
  }

Products:
  name: string
  desc: string
  team_id: int (id for a specific team)
  users: {
    userId: "member" || "owner" || "guest"
  }

Features:
  name: string
  desc: string
  product_id: int (id for product)
  status: string (accepted/rejected/delayed)
  milestone_id: int (id for a specific product milestone e.g. "v1/prototype/mvp")

Comments:
  content: string
  user_id: int (id of the user who posted it)
  feature_id: int (id for the feature it’s attached to)

Milestones:
  name: string
  desc: string
  dueDate: datetime (optional)