Added timestamp and footer to the embed

src/commands/mdn.ts

@@ -36,6 +36,8 @@ export default class Npm extends Command {
 
       const embed = new RichEmbed();
       embed.setColor(0xCC3534);
+      embed.setTimestamp();
+      embed.setFooter(this.client.user.username, this.client.user.avatarURL);
       embed.setAuthor('NPM', 'https://i.imgur.com/ErKf5Y0.png', 'https://www.npmjs.com/');
       embed.setDescription(`[NPM](https://www.npmjs.com/package/${args[0]}) | [Homepage](${homepage}) | [Repository](${repository}) | [Bugs](${bugs})`);
       embed.addField('Name', name, true);