Add WFC3 notebook 'Correcting_for_Scattered_Light_in_IR_Exposures_by_Manually_Subtracting_Bad_Reads.ipynb'

[dulude]

Relevant Tickets

• SPB-1628

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[annierose3]

@camipacifici @haticekaratay, this PR is also ready for review. Thank you :)

[haticekaratay]

Thanks, @annierose3 for your work. I have a couple of suggestions that could further improve the notebook:

• Currently, the example notebooks are linked to the WFC3 library. It might be more beneficial to reference them to the hst-notebooks instead.
• I recommend using context managers for file manipulations. Context managers provide a more efficient and safer way to handle file operations, ensuring that files are properly closed after their operations.

[haticekaratay]

Thanks for your work. I implemented the suggested enhancements to the notebook to support you in the process.