Init: bootstrap go module

Makefile

@@ -0,0 +1,20 @@
+.PHONY: all install clean swagger
+
+SWAG ?= ~/go/bin/swag
+
+TARGET := $(shell find . -type f -name '*.go')
+
+all: swagger install
+
+install: game
+	CGO_ENABLED=0 go install
+
+game: $(TARGET)
+	CGO_ENABLED=0 go build -o $@
+
+swagger:
+	$(SWAG) fmt
+	$(SWAG) init -o backend/docs -g cmd/serve/backend.go -pdl 1
+
+clean:
+	-rm -f game