readme: # Introduction
  
  See https://github.com/Tencent/ncnn/issues/4503 for details
  
  ## File description
  
  - `m.pt`, the torchscript model
  - `m.inlined_graph`, text representation of `m.pt`
  - `m.ncnn.param`, after fixing pnnx, it is the result of `pnnx ./m.pt`
  