Update OWNER_IDS with optional note

Author: codebymitch

.env.example

@@ -4,7 +4,7 @@
 DISCORD_TOKEN=your_discord_bot_token_here
 CLIENT_ID=your_discord_client_id_here
 GUILD_ID=your_discord_guild_id_here
-OWNER_IDS=
+OWNER_IDS=your_discord_id_here (optional)
 
 # Bot Runtime Configuration
 NODE_ENV=production