add onnx quantize model for onnx; add tester_rtf

lyblsgo

2023-03-21 c8f3af885543aff5018a4897909ade8517d820ca

 docs/index.rst

@@ -23,6 +23,7 @@
   :caption: ModelScope:

   ./modelscope_models.md
   ./modelscope_usages.md

Indices and tables
==================