Added invite command

commands/invite.js

+const Discord = require('discord.js')
+exports.run = async (client, message, args) => {
+    const embed = new Discord.MessageEmbed()
+    .setDescription(`[Click here to invite me](https://discordapp.com/oauth2/authorize?client_id=${client.user.id}&scope=bot&permissions=8)`)
+.setAuthor(message.author.username, message.author.avatarURL())
+.setColor('BLUE')
+message.channel.send(embed)
+};
+module.exports.help = {
+    name: 'invite',
+    aliases: ['inv']
+};