Note: This script is an exemple of discord channels link by ID. Bot must be present on all discord servers that you need to link.
https://discordapp.com/developers/applications/me
https://discordapi.com/permissions.html
npm install --save discord.js npm install --save events npm install --save express npm install --save fs-extra npm install --save decache
Replace in config_SM.json too if you choose to use the DLB SafeMode for more service stability)
node DLB.js node DLB_SM.js (only if you want to launch the SafeMode next to DLB master service)
https://discordapp.com/oauth2/authorize?client_id=CLIENT_ID_HERE&scope=bot&permissions=2080767185 (Replace CLIENT_ID_HERE by your bot ID)
NB (Optionally) : DLB_SM.js is a safe mode (relay) of DLB main script. If launched, it will automaticaly relay the service on DLB presence status change from ONLINE to INVISIBLE (case of bug if it wasn't launched with nodemon/forever or others alternative
Enjoy ! :)