move examples to examples directory, update readme and changelog

examples/tcp.js

@@ -0,0 +1,30 @@
+'use strict'
+
+const packet = require('./')
+const net = require('net')
+
+const buf = packet.streamEncode({
+  type: 'query',
+  id: 0xdead,
+  flags: packet.RECURSION_DESIRED,
+  questions: [{
+    type: 'A',
+    name: 'google.com'
+  }]
+})
+
+const client = new net.Socket()
+client.connect(53, '8.8.8.8', function () {
+  console.log('Connected')
+  client.write(buf)
+})
+
+client.on('data', function (data) {
+  console.log('Received response')
+  console.log(packet.streamDecode(data))
+  client.destroy() // kill client after server's response
+})
+
+client.on('close', function () {
+  console.log('Connection closed')
+})

examples/udp.js

@@ -0,0 +1,23 @@
+'use strict'
+
+const packet = require('./')
+const dgram = require('dgram')
+
+const socket = dgram.createSocket('udp4')
+
+const buf = packet.encode({
+  type: 'query',
+  id: 1,
+  flags: packet.RECURSION_DESIRED,
+  questions: [{
+    type: 'A',
+    name: 'google.com'
+  }]
+})
+
+socket.on('message', function (message, rinfo) {
+  console.log(rinfo)
+  console.log(packet.decode(message)) // prints out a response from google dns
+})
+
+socket.send(buf, 0, buf.length, 53, '8.8.8.8')