TODO: Use refraction-networking/utls to Imitate TLS Fingerprints

[DuckSoft]

It seemed that Golang's default TLS fingerprint has been explicitly blocked in some countries.
To accommodate these users, let's try introduce uTLS (or similar technology) to bypass the limit.

cc @RPRX @xiaokangwang

[xiaokangwang]

So... the final result is that browser forwarding will be used to solve this issue. I believe Chrome already support streaming upload body.