Use TableGen to generate the ops reference documentation

[paul-tqh-nguyen]

This is intended to solve https://github.com/metagraph-dev/mlir-graphblas/issues/156.

[coveralls]

Pull Request Test Coverage Report for Build 1333782848

• 0 of 0 changed or added relevant lines in 0 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 83.791%

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Totals
Change from base Build 1330470382:	0.0%
Covered Lines:	2869
Relevant Lines:	3424

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💛 - Coveralls

[jim22k]

Overall, this looks good.

Unfortunately, it now needs to be updated to match the latest code changes:

• Change vector_argmin to reduce_to_scalar(aggregator="argmin"). Same for argmax.
• Update the passes used (required for newer version of MLIR). See mlir_builder.py for updated list.