TUN-528: Move cloudflared into a separate repo

vendor/github.com/equinox-io/equinox/internal/go-update/hide_windows.go

@@ -0,0 +1,19 @@
+package update
+
+import (
+	"syscall"
+	"unsafe"
+)
+
+func hideFile(path string) error {
+	kernel32 := syscall.NewLazyDLL("kernel32.dll")
+	setFileAttributes := kernel32.NewProc("SetFileAttributesW")
+
+	r1, _, err := setFileAttributes.Call(uintptr(unsafe.Pointer(syscall.StringToUTF16Ptr(path))), 2)
+
+	if r1 == 0 {
+		return err
+	} else {
+		return nil
+	}
+}