Add gRPC user service
diff --git a/core/kg/model/proto/Makefile b/core/kg/model/proto/Makefile
new file mode 100644
index 0000000..a0efc58
--- /dev/null
+++ b/core/kg/model/proto/Makefile
@@ -0,0 +1,9 @@
+.PHONY: help
+
+.DEFAULT_GOAL := help
+
+help:
+ @awk 'BEGIN {FS = ":.*?## "} /^[a-zA-Z_-]+:.*?## / {printf "\033[36m%-30s\033[0m %s\n", $$1, $$2}' $(MAKEFILE_LIST)
+
+generate: ## generates the gRPC server interfaces from `*.proto` service definition
+ @protoc --go_out=. --go-grpc_out=. user.proto
\ No newline at end of file