增加消息管理

pkg/rpc/protos/model_message.proto

@@ -0,0 +1,20 @@
+syntax = "proto3";
+option go_package = "./pb";
+
+package pb;
+
+import "model_node_cluster.proto";
+import "model_node.proto";
+
+message Message {
+	int64 id = 1;
+	string type = 2;
+	string body = 3;
+	string level = 4;
+	bytes paramsJSON = 5;
+	bool isRead = 6;
+	int64 createdAt = 7;
+
+	NodeCluster cluster = 30;
+	Node node = 31;
+}