[Rewrite] Add makefile (#94)

Adding the Makefile into the rewrite branch (same as on primary branch).

Author: suyashkumar

Makefile

@@ -0,0 +1,32 @@
+BINARY = dicomutil
+
+.PHONY: build
+build:
+	go mod download
+	$(MAKE) test
+	go build -o build/${BINARY} ./cmd/dicomutil
+
+.PHONY: build-fast
+build-fast:
+	go build -o build/${BINARY} ./cmd/dicomutil
+
+.PHONY: test
+test:
+	go test ./...
+
+.PHONY: run
+run:
+	make build
+	./${BINARY}
+
+.PHONY: release
+release:
+	go mod download
+	$(MAKE) test
+	GOOS=linux GOARCH=amd64 go build -o build/${BINARY}-linux-amd64 ./cmd/dicomutil;
+	GOOS=darwin GOARCH=amd64 go build -o build/${BINARY}-darwin-amd64 ./cmd/dicomutil;
+	GOOS=windows GOARCH=amd64 go build -o build/${BINARY}-windows-amd64.exe ./cmd/dicomutil;
+	cd build; \
+	tar -zcvf ${BINARY}-linux-amd64.tar.gz ${BINARY}-linux-amd64; \
+	tar -zcvf ${BINARY}-darwin-amd64.tar.gz ${BINARY}-darwin-amd64; \
+	zip -r ${BINARY}-windows-amd64.exe.zip ${BINARY}-windows-amd64.exe;