accept discord token as env

we only really need that to function anyway, other things like jellyfin will
just not do anything and we have default value for avatar reset.

commands/jellyfin.js

@@ -1,5 +1,8 @@
+let config = {}
+try { config = require('../config.json'); }
+catch { config.jellyfin = null; }
+
 const { SlashCommandBuilder } = require('discord.js');
-const config = require('../config.json');
 const { createClient } = require('../lib/jellyfin');
 
 async function sendChunked(interaction, content) {
@@ -73,7 +76,10 @@ module.exports = {
 		),
 
 	async execute(interaction) {
-		if (!config.jellyfin.users.includes(interaction.user.id)) {
+        if (!config.jellyfin) {
+			interaction.reply({ content: 'This bot is not configured with a Jellyfin instance.', flags: 64 });
+            return;
+        } else if (!config.jellyfin.users.includes(interaction.user.id)) {
 			interaction.reply({ content: 'You are not authorized to use this command.', flags: 64 });
 			return;
 		} else if (interaction.channel.type !== 1) {
@@ -187,4 +193,4 @@ module.exports = {
 			await interaction.editReply(`Error fetching from Jellyfin: ${err.message}`);
 		}
 	},
-};
+};