Add avatar example

docs/custom/avatar.js

@@ -0,0 +1,10 @@
+const fs = require('fs');
+
+module.exports = {
+  category: 'Examples',
+  name: 'Avatars',
+  data:
+`\`\`\`js
+${fs.readFileSync('./docs/custom/examples/avatar.js').toString('utf-8')}
+\`\`\``,
+};

docs/custom/examples/avatar.js

@@ -0,0 +1,30 @@
+/*
+  Send a user a link to their avatar
+*/
+
+// import the discord.js module
+const Discord = require('discord.js');
+
+// create an instance of a Discord Client, and call it bot
+const bot = new Discord.Client();
+
+// the token of your bot - https://discordapp.com/developers/applications/me
+const token = 'your bot token here';
+
+// the ready event is vital, it means that your bot will only start reacting to information
+// from Discord _after_ ready is emitted.
+bot.on('ready', () => {
+  console.log('I am ready!');
+});
+
+// create an event listener for messages
+bot.on('message', message => {
+  // if the message is "what is my avatar",
+  if (message.content === 'what is my avatar') {
+    // send the user's avatar URL
+    message.reply(message.author.avatarURL);
+  }
+});
+
+// log our bot in
+bot.login(token);