Fix Windows background processes dying with terminal window

global/sysProcAttr_WIN.go

@@ -2,8 +2,12 @@
 
 package global
 
-import "syscall"
+import (
+	"syscall"
+
+	"golang.org/x/sys/windows"
+)
 
 func GetSysProcAttr() *syscall.SysProcAttr {
-	return &syscall.SysProcAttr{CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP}
+	return &syscall.SysProcAttr{CreationFlags: syscall.CREATE_NEW_PROCESS_GROUP | windows.DETACHED_PROCESS}
 }