update noisy correspondence creation

[Lin-Yijie]

Dear Thinklab,

I have updated the noisy correspondence creation module. The main change is the addition of manual simulation support, which makes it easier to construct and control noisy correspondence settings for experiments.

Best,
Yijie

[codecov]

Codecov Report

❌ Patch coverage is 52.94118% with 32 lines in your changes missing coverage. Please review.
✅ Project coverage is 92.04%. Comparing base (6c00b82) to head (bc803ec).
⚠️ Report is 8 commits behind head on main.

Files with missing lines	Patch %	Lines
pygmtools/dataset.py	51.51%	32 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #107      +/-   ##
==========================================
- Coverage   92.42%   92.04%   -0.39%     
==========================================
  Files          20       20              
  Lines        7793     7846      +53     
==========================================
+ Hits         7203     7222      +19     
- Misses        590      624      +34     

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