add reset all call

api/proto/gosdn/subscriptionmanagement/subscriptionmanagement.proto

@@ -27,6 +27,10 @@ service SubscriptionManagementService {
             body: "*"
         };
     }
+
+    rpc ResetAllSubscriptions(ResetAllSubscriptionsRequest) returns (ResetAllSubscriptionsResponse) {
+        option (google.api.http) = {get: "/submanagement/reset"};
+    }
 }
 
 message Subscription{
@@ -81,3 +85,11 @@ message AddRequest{
 message AddResponse{
     int64 timestamp = 1;
 }
+
+message ResetAllSubscriptionsRequest {
+    int64 timestamp = 1;
+}
+
+message ResetAllSubscriptionsResponse {
+    int64 timestamp = 1;
+}