feat: add siren provider plugin proto

gotocompany/siren/provider/v1beta1/provider.proto

@@ -0,0 +1,32 @@
+syntax = "proto3";
+
+package gotocompany.siren.provider.v1beta1;
+
+import "gotocompany/siren/v1beta1/siren.proto";
+
+option go_package = "github.com/goto/proton/gotocompany/siren/provider/v1beta1;sirenproviderv1beta1";
+option java_multiple_files = true;
+option java_outer_classname = "ServiceManager";
+option java_package = "com.gotocompany.proton.siren.provider";
+
+message SyncRuntimeConfigRequest {
+    string namespaceID = 1;
+    string namespaceURN = 2;
+    gotocompany.siren.v1beta1.Provider provider = 3;
+}
+
+message SyncRuntimeConfigResponse {}
+
+message UpsertRuleRequest {
+    string namespaceURN = 1;
+    gotocompany.siren.v1beta1.Provider provider = 3;
+    gotocompany.siren.v1beta1.Rule rule = 4;
+    gotocompany.siren.v1beta1.Template template = 5;
+}
+
+message UpsertRuleResponse {}
+
+service ProviderService {
+    rpc SyncRuntimeConfig(SyncRuntimeConfigRequest) returns (SyncRuntimeConfigResponse);
+    rpc UpsertRule(UpsertRuleRequest) returns (UpsertRuleResponse);
+}

gotocompany/siren/v1beta1/siren.proto

@@ -9,7 +9,7 @@ import "google/protobuf/timestamp.proto";
 import "protoc-gen-openapiv2/options/annotations.proto";
 import "validate/validate.proto";
 
-option go_package = "github.com/goto/proton/siren/v1beta1;sirenv1beta1";
+option go_package = "./v1beta1;sirenv1beta1";
 option java_multiple_files = true;
 option java_outer_classname = "ServiceManager";
 option java_package = "com.gotocompany.proton.siren";