pkg: hide it by moving to _pkg.dev

The idea here is to preserve the history of `dev` branch development and its
code when merging with the `master`. Later this code could be moved into the
masters code where appropriate.

_pkg.dev/wire/util/ip/ip.go

@@ -0,0 +1,20 @@
+package iputils
+
+import (
+	"log"
+	"net"
+)
+
+//GetLocalIP returns the ip address of the current node
+// https://stackoverflow.com/a/37382208
+func GetLocalIP() net.IP {
+	conn, err := net.Dial("udp", "8.8.8.8:80")
+	if err != nil {
+		log.Fatal(err)
+	}
+	defer conn.Close()
+
+	localAddr := conn.LocalAddr().(*net.UDPAddr)
+
+	return localAddr.IP
+}