A Jupyter kernel for mlir (mlir-opt)
This is purely for experimentation. This kernel uses the reproducer runner
conventions to run passes.
To install:
python3 -m mlir_opt_kernel.install
To use it, run one of:
```shell
jupyter notebook
# In the notebook interface, select MlirOpt from the 'New' menu
jupyter console --kernel mlir
```
`mlir-opt` is expected to be either in the `PATH` or `MLIR_OPT_EXECUTABLE` is
used to point to the executable directly.