Further consolidate the libraries

api/handler/udp/udp.go

@@ -0,0 +1,25 @@
+// Package udp reads and write from a udp connection
+package udp
+
+import (
+	"io"
+	"net"
+	"net/http"
+)
+
+type Handler struct{}
+
+func (h *Handler) ServeHTTP(w http.ResponseWriter, r *http.Request) {
+	c, err := net.Dial("udp", r.Host)
+	if err != nil {
+		http.Error(w, err.Error(), 500)
+		return
+	}
+	go io.Copy(c, r.Body)
+	// write response
+	io.Copy(w, c)
+}
+
+func (h *Handler) String() string {
+	return "udp"
+}