OZG-1771 add route-forwarding api

pluto-interface/src/main/protobuf/route-forwarding.model.proto

+syntax = "proto3";
+
+package de.itvsh.kop.eingangsadapter.forwarder;
+
+import "vorgangmodel.proto";
+
+option java_multiple_files = true;
+option java_package = "de.itvsh.kop.eingangsadapter.forwarding";
+option java_outer_classname = "RouteForwardingModelProto";
+
+
+message GrpcRouteForwardingRequest {
+	GrpcRouteCriteria routeCriteria = 1;
+	de.itvsh.ozg.pluto.vorgang.GrpcEingang eingang = 5; 
+}
+
+message GrpcRouteForwardingResponse {
+	
+}
+
+message GrpcRouteCriteria {
+	string gemeindeSchluessel = 1;
+	string webserviceUrl = 2;
+	string organisationseinheitenId = 3;
+}
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pluto-interface/src/main/protobuf/route-forwarding.proto

+syntax = "proto3";
+
+package de.itvsh.kop.eingangsadapter.forwarder;
+
+import "route-forwarding.model.proto";
+
+option java_multiple_files = true;
+option java_package = "de.itvsh.kop.eingangsadapter.forwarder";
+option java_outer_classname = "RouteForwardingProto";
+
+service RouteForwardingService {
+
+	rpc RouteForwarding(GrpcRouteForwardingRequest) returns (GrpcRouteForwardingResponse) {
+	}
+
+}
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