Added Makefile, .gitlab-ci.yml

.gitlab-ci.yml

+image: golang:1.16.4
+
+cache:
+  key: FeelsKappa
+  paths:
+    - build/go/
+
+stages:
+  - build
+
+build:
+  stage: build
+  script:
+    - GOPATH=$PWD/build/go make;
+    - GOPATH=$PWD/build/go GOOS=windows make;
+    - cd build; tar zcf go-rpc.tar.gz go-rpc go-rpc; cd ../
+  artifacts:
+    paths:
+      - build/go-rpc
+    expire_in: 1 week

Makefile

+.NOTPARALLEL: static-arg nowindowsgui build start
+SHELL = sh
+
+all: build
+static: static-arg build
+run: nowindowsgui build start
+
+.PHONY: static-arg
+static-arg:
+	$(eval STATIC_LDFLAGS = -extldflags "-static")
+
+.PHONY: nowindowsgui
+nowindowsgui:
+	$(eval WINDOW_LDFLAGS = )
+
+.PHONY: build
+build:
+	@echo "Building to build/remiliascarlet."
+	@go build -tags=jsoniter -ldflags="$(LDFLAGS) $(STATIC_LDFLAGS) $(WINDOW_LDFLAGS)" -o build/gorpc$(shell go env GOEXE) main.go
+	@echo "Successfully builded, ready to start."
+
+.PHONY: start
+start:
+	@./build/gorpc