message: Add manage webhooks flag to addbot.ts
diff: @@ -20,7 +20,8 @@ const perms = flags.READ_MESSAGES |
  flags.SPEAK |
  flags.EMBED_LINKS |
  flags.ATTACH_FILES |
  - flags.READ_MESSAGE_HISTORY;
  + flags.READ_MESSAGE_HISTORY |
  + flags.MANAGE_WEBHOOKS;
  const url = `https://discordapp.com/api/oauth2/authorize?client_id=${clientId}&scope=bot&permissions=${perms}`;
  console.log(`Go to ${url} to invite the bot into a guild.`);
  