Update golang.mk (#710)

scripts/make-rules/golang.mk

@@ -131,11 +131,11 @@ go.build.%:
 		$(BIN_DIR)/platforms/$(OS)/$(ARCH)/$(COMMAND)$(GO_OUT_EXT) $(ROOT_DIR)/cmd/$(COMMAND)/main.go; \
 	fi
 
-# ## go.install: Install deployment openim
-# .PHONY: go.install
-# go.install:
-# 	@echo "===========> Installing deployment openim"
-# 	@$(ROOT_DIR)/scripts/install_im_server.sh
+## go.install: Install deployment openim
+.PHONY: go.install
+go.install:
+	@echo "===========> Installing deployment openim"
+	@$(ROOT_DIR)/scripts/install_im_server.sh
 
 ## go.check: Check OpenIM deployment
 .PHONY: go.check
@@ -204,4 +204,4 @@ go.clean:
 ## copyright.help: Show copyright help
 .PHONY: go.help
 go.help: scripts/make-rules/golang.mk
-	$(call smallhelp)
+	$(call smallhelp)