Add observatory / latestPing balancing strategy

Co-authored-by: Shelikhoo <xiaokangwang@outlook.com>

main/distro/all/all.go

@@ -23,6 +23,9 @@ import (
 	_ "github.com/xtls/xray-core/app/router"
 	_ "github.com/xtls/xray-core/app/stats"
 
+	// Fix dependency cycle caused by core import in internet package
+	_ "github.com/xtls/xray-core/transport/internet/tagged/taggedimpl"
+
 	// Inbound and outbound proxies.
 	_ "github.com/xtls/xray-core/proxy/blackhole"
 	_ "github.com/xtls/xray-core/proxy/dns"