- Replace duplicate parseBasicAuth with existing httppkg.ParseBasicAuth
- Extract buildDomains helper in BaseProxy for HTTP/HTTPS/TCPMux proxies
- Extract toProxyStats helper to deduplicate ProxyStats construction
- Extract startVisitorListener helper in BaseProxy for STCP/SUDP proxies
- Extract acceptLoop helper in BaseVisitor for STCP/XTCP visitors
* support bandwidth_limit set by server plugin
* limiter at proxy level
* bandwidth_limit_mode
* updates tests for bandwidth_limit_mode default
* bandwidth_limit_mode as string
* add checkForSrv for bandwidth_limit_mode
* bandwidth_limit flags for sub cmds
* gci write