Support translate clash config with provider

[spacemeowx2]

Currently, the translator only translate single file clash config.

We should add proxy-provider and rule-provider.

https://github.com/Dreamacro/clash/wiki/configuration#proxy-providers

https://github.com/Dreamacro/clash/wiki/premium-core-features#rule-providers

[spacemeowx2]

rule-provider is supported in 966837d