add remote pinning services config

config.go

@@ -33,6 +33,7 @@ type Config struct {
 	Reprovider   Reprovider
 	Experimental Experiments
 	Plugins      Plugins
+	Pinning      Pinning
 }
 
 const (

remotepin.go

+package config
+
+const (
+	PinningTag             = "Pinning"
+	RemoteServicesTag      = "RemoteServices"
+	RemoteServicesSelector = PinningTag + "." + RemoteServicesTag
+)
+
+type Pinning struct {
+	RemoteServices map[string]RemotePinningService
+}
+
+type RemotePinningService struct {
+	Api RemotePinningServiceApi
+}
+
+type RemotePinningServiceApi struct {
+	Endpoint string
+	Key      string
+}