* [all] add NOTICE for apache

This file contains only the Apache lcense notice
The NOTICES-FOR-BIN-DISTRO contains the full list of what ends up in a final binary
diff --git a/NOTICE b/NOTICE
new file mode 100644
index 0000000..8d2f40e
--- /dev/null
+++ b/NOTICE
@@ -0,0 +1,5 @@
+Apache Weex
+Copyright 2017 The Apache Software Foundation
+This product includes software developed at
+The Apache Software Foundation (http://www.apache.org/).
\ No newline at end of file