add some utilities commands

app/commands/coinflip.js

@@ -0,0 +1,36 @@
+const addCommand = require("../fonctions/addCommand");
+const { EmbedBuilder } = require("discord.js");
+
+module.exports = addCommand({
+  name: "coinflip",
+  description: "Lance une pièce (pile ou face).",
+  aliases: ["cf", "flip", "piece"],
+  permissions: [],
+  botOwnerOnly: false,
+  dm: true,
+  scope: "global",
+
+  slashOptions: [],
+
+  executePrefix: async (client, message, args) => {
+    const embed = createCoinflipEmbed(message.author);
+    await message.reply({ embeds: [embed] });
+  },
+
+  executeSlash: async (client, interaction) => {
+    const embed = createCoinflipEmbed(interaction.user);
+    await interaction.reply({ embeds: [embed] });
+  },
+});
+
+function createCoinflipEmbed(user) {
+  const result = Math.random() < 0.5 ? "pile" : "face";
+  const emoji = result === "pile" ? "🪙" : "💿";
+
+  return new EmbedBuilder()
+    .setColor(result === "pile" ? 0xFEE75C : 0x5865F2)
+    .setTitle(`${emoji} Coinflip`)
+    .setDescription(`La pièce est tombée sur **${result.toUpperCase()}** !`)
+    .setFooter({ text: `Lancé par ${user.username}`, iconURL: user.displayAvatarURL({ dynamic: true }) })
+    .setTimestamp();
+}