Added support for MacOS WebSSH

- Added MacOS webssh feature
- Fixed bug on no proxy rule will cause tls option null exception

src/mod/sshprox/embed_darwin_amd64.go

@@ -0,0 +1,18 @@
+//go:build darwin && amd64
+// +build darwin,amd64
+
+package sshprox
+
+import "embed"
+
+/*
+Binary embedding for AMD64 builds
+
+Make sure when compile, gotty binary exists in static.gotty
+*/
+var (
+	//go:embed gotty/gotty_darwin_amd64
+	//go:embed gotty/.gotty
+	//go:embed gotty/LICENSE
+	gotty embed.FS
+)