feat(ping): command now shows latency instead of just replying with Pong

commands/utilities/ping.js

@@ -5,6 +5,8 @@ module.exports = {
         .setName('ping')
         .setDescription('Replies with Pong!'),
     async execute(interaction) {
-        await interaction.reply('Pong!');
+        interaction.reply('🏓').then (async (msg) => {
+            msg.edit(`🏓Latency is \`${Date.now() - msg.createdTimestamp}ms\``);
+        });
     },
 };