adding custom configs folder

custom_configs/custom0.json

custom_configs/custom1.json

custom_configs/custom10.json

custom_configs/custom2.json

custom_configs/custom3.json

custom_configs/custom4.json

custom_configs/custom5.json

custom_configs/custom6.json

custom_configs/custom7.json

custom_configs/custom8.json

custom_configs/custom9.json