Added an http server

server.go

@@ -0,0 +1,15 @@
+package ysv
+
+import "net/http"
+
+type Server struct {
+}
+
+func NewServer(sm *http.ServeMux) *Server {
+	s := &Server{}
+	addRoutes(sm, s)
+	return s
+}
+
+func addRoutes(sm *http.ServeMux, s *Server) {
+}