Initial QSfera import

Server/vendor/github.com/moby/go-archive/xattr_unsupported.go

@@ -0,0 +1,11 @@
+//go:build !linux && !darwin && !freebsd && !netbsd
+
+package archive
+
+func lgetxattr(path string, attr string) ([]byte, error) {
+	return nil, nil
+}
+
+func lsetxattr(path string, attr string, data []byte, flags int) error {
+	return nil
+}