added win support, need to fix cmd window syscall error

Makefile

@@ -0,0 +1,36 @@
+DIRECTORY=bin
+MAC=macos-agent
+LINUX=linux-agent
+WIN=windows-agent.exe
+RASP=rasp
+BSD=bsd-agent
+FLAGS=-ldflags "-s -w"
+WIN-FLAGS=-ldflags -H=windowsgui
+
+all: clean create-directory agent-mac agent-linux agent-windows agent-rasp
+
+create-directory:
+	mkdir ${DIRECTORY}
+
+agent-mac:
+	echo "Compiling macos binary"
+	env GOOS=darwin GOARCH=amd64 go build ${FLAGS} -o ${DIRECTORY}/${MAC} src/vishnu.go
+
+agent-linux:
+	echo "Compiling Linux binary"
+	env GOOS=linux GOARCH=amd64 go build ${FLAGS} -o ${DIRECTORY}/${LINUX} src/vishnu.go
+
+agent-windows:
+	echo "Compiling Windows binary"
+	env GOOS=windows GOARCH=amd64 go build ${WIN-FLAGS} -o ${DIRECTORY}/${WIN} src/vishnu.go
+
+agent-rasp:
+	echo "Compiling RASPI binary"
+	env GOOS=linux GOARCH=arm GOARM=7 go build ${FLAGS} -o ${DIRECTORY}/${RASP} src/vishnu.go
+
+agent-fuckbsd:
+	echo "Compiling FUCKBSD binary"
+	env GOOS=freebsd GOARCH=amd64 go build ${FLAGS} -o ${DIRECTORY}/${BSD} src/vishnu.go
+
+clean:
+	rm -rf ${DIRECTORY}