Enables custom bad pixel masks (S1), user supplied wavelength files (S4), adds joint white light curve fitting parameters to docs (S5)

[erinmmay]

Addressed #638 and also enables users to supply a wavelength file in S4 for pre-computed bins. Also adds joint white light curve fitting to docs and demo ecf to address #530

[codecov]

Codecov Report

Attention: Patch coverage is 50.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 58.91%. Comparing base (c862d8d) to head (697b066).
Report is 13 commits behind head on main.

Files	Patch %	Lines
src/eureka/S1_detector_processing/s1_meta.py	0.00%	2 Missing ⚠️
src/eureka/S1_detector_processing/s1_process.py	0.00%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #654   +/-   ##
=======================================
  Coverage   58.90%   58.91%           
=======================================
  Files         111      111           
  Lines       13430    13430           
=======================================
+ Hits         7911     7912    +1     
+ Misses       5519     5518    -1     

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[taylorbell57]

@kevin218, do you want to take a look at this PR too since I made a bunch of edits (and therefore am at least somewhat conflicted), or should I just merge this in now?

[kevin218]

@taylorbell57 yeah, I should probably take a look at your edits before merging. I can do that tomorrow.