Added icon command.

commands/icon.js

+const Discord = require('discord.js');
+
+exports.run = async (client, message, args, connection) => {
+    const embed = new Discord.MessageEmbed()
+    .setImage(message.guild.iconURL())
+    .setColor(0x0093f0);
+    message.channel.send(embed).catch(e => {
+        message.channel.send(`Cannot send an embed.`).catch(e => {
+            return;
+        });
+        return;
+    });
+};
+
+module.exports.help = {
+    name: 'icon',
+    aliases: ['guild_icon']
+};
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