added fox command & api

src/commands/fox/index.js

@@ -0,0 +1,13 @@
+import { SlashCommandBuilder } from 'discord.js';
+
+export default {
+  data: new SlashCommandBuilder()
+    .setName('fox')
+    .setDescription('Get a random fox!'),
+  async execute(interaction, api) {
+    await api.get('fox')()
+      .then(async (res) => {
+        await interaction.reply(res);
+      });
+  }
+};