first commit

app/Proto/grpc.proto

@@ -0,0 +1,14 @@
+syntax = "proto3";
+package grpc;
+service hi {
+    rpc sayHello (HiUser) returns (HiReply) {
+    }
+}
+message HiUser {
+    string name = 1;
+    int32 sex = 2;
+}
+message HiReply {
+    string message = 1;
+    HiUser user = 2;
+}