added Windows build to Makefile

Author: mroote

Makefile

@@ -2,6 +2,16 @@
 #
 
 build:
-	go build -o $(HOME)/factorio-server/factorio-server-manager src/*
-	cp -r app/ $(HOME)/factorio-server/
-	cp conf.json.example $(HOME)/factorio-server/conf.json
+	# Build Linux release
+	go build -o factorio-server-linux/factorio-server-manager src/*
+	cp -r app/ factorio-server-linux/
+	cp conf.json.example factorio-server-linux/conf.json
+	zip -r $(HOME)/factorio-server-linux-x64.zip factorio-server-linux
+	rm -rf factorio-server-linux
+	# Build Windows release
+	GOOS=windows GOARCH=386 go build -o factorio-server-windows/factorio-server-manager.exe src/*
+	cp -r app/ factorio-server-windows/
+	cp conf.json.example factorio-server-windows/conf.json
+	zip -r $(HOME)/factorio-server-windows.zip factorio-server-windows
+	rm -rf factorio-server-windows
+