WARNING
It is recommended to not use config folder to add skill trees. Use data packs instead.
Example configuration structure in mod config folder.
config
└── puffish_skills
├── categories
│ ├── category_1
│ │ ├── category.json
│ │ ├── connections.json
│ │ ├── definitions.json
│ │ ├── experience.json
│ │ └── skills.json
│ └── category_2
│ ├── category.json
│ ├── connections.json
│ ├── definitions.json
│ ├── experience.json
│ └── skills.json
└── config.json