update vignettes

[danielnachun]

No description provided.

[codecov]

Codecov Report

❌ Patch coverage is 53.74732% with 216 lines in your changes missing coverage. Please review.
✅ Project coverage is 84.33%. Comparing base (684e6f4) to head (032f5cc).
⚠️ Report is 3 commits behind head on main.

Files with missing lines	Patch %	Lines
R/twas_weights.R	22.36%	125 Missing ⚠️
R/regularized_regression.R	0.00%	49 Missing ⚠️
R/twas.R	79.34%	19 Missing ⚠️
R/mrmash_wrapper.R	56.25%	14 Missing ⚠️
R/susie_wrapper.R	89.06%	7 Missing ⚠️
R/univariate_pipeline.R	97.05%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #505      +/-   ##
==========================================
- Coverage   85.39%   84.33%   -1.07%     
==========================================
  Files          51       51              
  Lines       12277    12606     +329     
==========================================
+ Hits        10484    10631     +147     
- Misses       1793     1975     +182     

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