Discovery set up

conf/config.go

@@ -0,0 +1,19 @@
+package conf
+
+import "sync"
+
+type Config struct {
+	PublicKeyPath   string
+	PrivateKeyPath  string
+	DHTEndpointPort int64
+}
+
+var instance *Config
+var once sync.Once
+
+func GetConfig() *Config {
+	once.Do(func() {
+		instance = &Config{}
+	})
+	return instance
+}