Bootstrap hypercore protocol nodes

Bootstrap_nodes.js

const DHT = require('@hyperswarm/dht')  

const bootstrapper1 = new DHT({ ephemeral: true })
  await bootstrapper1.bind(10001)
  
  const bootstrapper2 = new DHT({ 
    bootstrap: [
      { host: bootstrapper1.address().address, port: bootstrapper1.address().port }, 
    ], 
    ephemeral: false 
  })
  await bootstrapper2.bind(10002)

/*-------------------------------*/
  const bootstrap_nodes = [
    { host: bootstrapper1.address().address, port: bootstrapper1.address().port },
    { host: bootstrapper2.address().address, port: bootstrapper2.address().port },
  ]

  const swarm = new hyperswarm({ bootstrap: bootstrap_nodes })