Check if command is a slash command

categories.forEach((category) => {
    const dir = commands.filter((c) => c.category === category);
    const capitalise = category.slice(0, 1).toUpperCase() + category.slice(1);

    embed.addFields({ name: `${capitalise} [${dir.size}]`, value: dir.map((c) => `\`${c.name}\``).join(', ') });
});

categories.forEach((category) => {
    const dir = commands.filter((c) => c.category === category);
    const capitalise = category.slice(0, 1).toUpperCase() + category.slice(1);

    embed.addFields({ name: `${capitalise} [${dir.size}]`, value: dir.map((c) => `\`${c.name}\``).join(', ') });
});