Changed all RichEmbed to MessageEmbed.

This is order to add discord.js v12 support.

commands/report.js

@@ -16,7 +16,7 @@ exports.run = (bot, message, args) => {
 
     let staffGroup = message.guild.roles.find(staffRole => staffRole.name === `${supportbot.StaffRole}`);
 
-    const rolemissing = new Discord.RichEmbed()
+    const rolemissing = new Discord.MessageEmbed()
         .setDescription(`:x: Looks like this server doesn't have the role **${supportbot.StaffRole}**`)
         .setColor(supportbot.EmbedColour);
 
@@ -25,7 +25,7 @@ exports.run = (bot, message, args) => {
           console.error(err);
         });
     } else {
-        const donothaverole = new Discord.RichEmbed()
+        const donothaverole = new Discord.MessageEmbed()
             .setDescription(`:x: Sorry! You cannot use this command with the role **${supportbot.StaffRole}**`)
             .setColor(supportbot.EmbedColour)
         if(!message.member.roles.has(staffGroup.id)) {
@@ -38,7 +38,7 @@ exports.run = (bot, message, args) => {
                     message.reply(":x: Sorry! Specify the reason of your report.");
                 } else {
                   let reportDesc = args.slice(1).join(" ");
-                    const embed = new Discord.RichEmbed()
+                    const embed = new Discord.MessageEmbed()
                         .setTitle(`${supportbot.Report_Title}`)
                         .setThumbnail(message.author.avatarURL)
                         .addField("Report by:", `<@${message.author.id}>`, false)