Update 2 for CRAN Submission

[CJR337]

Update 2 for CRAN Submission

[codecov]

Codecov Report

❌ Patch coverage is 74.13793% with 15 lines in your changes missing coverage. Please review.
✅ Project coverage is 73.58%. Comparing base (ffc015d) to head (f46f95e).
⚠️ Report is 10 commits behind head on main.

Files with missing lines	Patch %	Lines
R/ru_libname.R	0.00%	6 Missing ⚠️
R/ru_freq.R	0.00%	4 Missing ⚠️
R/ru_list.R	88.57%	4 Missing ⚠️
R/ru_contents.R	75.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #42      +/-   ##
==========================================
+ Coverage   70.96%   73.58%   +2.61%     
==========================================
  Files          26       26              
  Lines        2084     2063      -21     
==========================================
+ Hits         1479     1518      +39     
+ Misses        605      545      -60     

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