Removed Custom Builder. Cleaned-Up package.json. Make the bot partially work. Command register was added but, has to be fixed.

source/commands/ping.ts

@@ -0,0 +1,15 @@
+import { SlashCommandBuilder } from 'discord.js';
+
+interface Command {
+  data: SlashCommandBuilder;
+  execute: (interaction: any) => Promise<void>;
+}
+
+export const command: Command = {
+  data: new SlashCommandBuilder().setName('ping').setDescription('Replies with Pong!'),
+  execute: async (interaction) => {
+    await interaction.reply('Pong!');
+  },
+};
+
+export default command;