Updated MIRI LRS spectral extraction notebook

[ianyuwong]

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[cshanahan1]

hi, i'll review this in the next week thank you!

[cshanahan1]

This looks great and I was able to run it with no issues. I opened up a PR to your branch with some minor fixes, mainly typos.

The CI is failing here (at least in part) because it is detecting a change in the original notebook and trying to run it, but it doesn't exist anymore. To fix this, you can start a new branch from main, then do 'git mv miri_lrs_advanced_extraction_part1.ipynb miri_lrs_advanced_extraction.ipynb' so git sees it as a rename and not a delete and add. Then, you can re-apply the other changes from this branch and force push back to it.

[ianyuwong]

I created a new branch and new PR #332

[cshanahan1]

closing, replaced with #332