text: import Mongoose from 'mongoose'
  
  let Schema = Mongoose.Schema
  let conversationSchema = new Schema({
      last_message: {
          type: String,
          require: true
      },
      client_id: {
          type: Schema.Types.ObjectId,
          refs: 'Clients'
      }
  })
  
  export default Mongoose.model('Conversations', conversationSchema)
  