[Feature Request] add whitelist

[daifeilail]

"virtual": { "aed5abb334": { "role": "UPSTREAM", "try": [ "14.18.194.1/9993" ], "blacklist": [ "0.0.0.0/5","8.0.0.0/5","9.0.0.0/6","12.0.0.0/7","15.0.0.0/8","16.0.0.0/31","32.0.0.0/3","64.0.0.0/3","96.0.0.0.0/3","128.0.0.0/3","160.0.0.0/3","192.0.0.0/3","224.0.0.0/3" ] } },

Due to the quality of the ZT line, 14.18.194.1 must be used to connect to the opposite end, but the ZT often uses a non-designated line connection, non-designated line, due to poor quality, or cost reasons. can not be used. I tried using a blacklist. But as I configured it. Using blacklists is a huge undertaking. Whether to join the whitelist