The CKEditor 5 WYSIWYG editor by default produces HTML output that you can save into a database. The default output can be also switched to GitHub-flavored Markdown formatted text.
GUILDS в опциях клиента.client.on("guildCreate", guild => {
const channel = guild.channels.cache.find(channel => channel.isText() && channel.permissionsFor(client.user).has(["VIEW_CHANNEL", "SEND_MESSAGES"]));
if (!channel) return;
channel.send("Worked!");
});