message: docs(quick-start-guide): fix inconsistent array style
  re typegoose/typegoose#759
diff: @@ -83,7 +83,7 @@ class User {
  @prop()
  public mainJob?: Job; // This is a single SubDocument
  - @prop({ type: () => Job })
  + @prop({ type: () => [Job] })
  public jobs?: Job[]; // This is a SubDocument Array
  @prop({ ref: () => Car })
  