You have to go to the github release page = https://github.com/ederekun/LazyReleases
Look for this JSON link = custom2 - https://github.com/ederekun/LazyReleases/raw/custom2/custom2.json
Look like this
{
"kernel": {
"name": "Lazy Kernel",
"version": "vX.17 | custom2-dev",
"link"...