user: commit initial file

commands/user.js

@@ -0,0 +1,12 @@
+const { SlashCommandBuilder } = require('discord.js');
+
+module.exports = {
+	data: new SlashCommandBuilder()
+		.setName('user')
+		.setDescription('Provides information about the user.'),
+	async execute(interaction) {
+		// interaction.user is the object representing the User who ran the command
+		// interaction.member is the GuildMember object, which represents the user in the specific guild
+		await interaction.reply(`This command was run by ${interaction.user.username}, who joined on ${interaction.member.joinedAt}.`);
+	},
+};