Render Operator documentation as compliant markdown

[natke]

Description: Generate compliant markdown table for operators and versions
 
Motivation and Context

• Operator version doc is easier to parse
• Table can be previewed in markdown renderers such as VSCode
• Operator versions are ordered most recent to least recent to make changes more apparent
• Type contraints are presented in one table cell, again to make it easier to parse

[skottmckay]

Inverse is now an official ONNX op. I assume people should use that instead of an experimental contrib op, so do we need to add documentation here for it?

https://github.com/onnx/onnx/blob/master/docs/Operators.md#Inverse

[pranavsharma]

Inverse should be removed from ONNX. At least that was the last decision. cc @codemzs

[codemzs]

@pranavsharma is correct, Inverse is being removed onnx/onnx#2747

[codemzs]

Please sync to latest. Inverse is removed.

[natke]

@skottmckay, @pranavsharma, @codezms It looks like Inverse is still being registered as a contrib operator the code (https://github.com/microsoft/onnxruntime/blob/master/onnxruntime/contrib_ops/cpu/inverse.cc#L24) and this is (AFAIK) how these docs get generated. So is the code correct? And the docs?

[snnn]

Hi @natke Could you please update your branch to the latest? I can't queue a build for you because some build definition file doesn't exist in your branch.

[snnn]

ping

[natke]

Sure @snnn!

[snnn]

Sorry, I'm running late. Please resolve the conflict.

[natke]

@snnn I've updated and removed the conflict

[stale]

This issue has been automatically marked as stale due to inactivity and will be closed in 7 days if no further activity occurs. If further support is needed, please provide an update and/or more details.