* gpt2 end-end pre-processing script fixing with pytorch 1.11.
* the fixings for CI failures.
* new dependency for gpt2bs.py
* remove the gpt2bs ci since it started failing in ORT 1.11
* Update the README.md for the release.
* polish the code
* add the mobile section
* update the example code in the README.md
* correction on pytorch tutorial
* initial checkins
* restructure the implementation.
* refine the Python interface
* Finalize the interface.
* Add the custmop class for the customization.
* Test the eager_op with vector_to_string customop
* Refine the customop conversion interface.
* initial onnx builder
* Runable with incorrect result.
* reformat the onnx_ops calls
* a few of operators working on tracing
* handcraft all op conversion
* Add the unit testing for mytorch
* unit test passed.
* Add some documents...
* Move non-torch API into onnxruntime_customops.utils module.
* Fix the unit test issues.
* Fix some typos.
* enable directly pip package build.
* some link symbols
* fixing on Windows platform
* update the build instruction
* update the ci pipeline
* Fix the Linux and MacOS build.
* Update mshost.yaml
* updat the ci python version
* update the pipeline
* simplify the instruction.
* update according to the comments.
Co-authored-by: Wenbing Li <wenli@MacM1.local>