75 modify base font

[jmbarbone]

related to #75

[JanMarvin]

Codecov Report

Merging #141 (c979171) into main (e862a74) will increase coverage by 0.03%.
The diff coverage is 92.30%.

❗ Current head c979171 differs from pull request most recent head 668a65c. Consider uploading reports for the commit 668a65c to get more accurate results

@@            Coverage Diff             @@
##             main     #141      +/-   ##
==========================================
+ Coverage   71.36%   71.40%   +0.03%     
==========================================
  Files          37       37              
  Lines        7195     7205      +10     
==========================================
+ Hits         5135     5145      +10     
  Misses       2060     2060              

Impacted Files	Coverage Δ
R/class-workbook.R	66.21% <88.88%> (+0.12%)	⬆️
R/class-workbook-wrappers.R	46.64% <100.00%> (-0.02%)	⬇️
R/dates.R	90.90% <0.00%> (ø)
R/helperFunctions.R	79.20% <0.00%> (ø)
R/class-workbook-utils.R	96.36% <0.00%> (+0.20%)	⬆️

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[JanMarvin]

Rebased on main (after all it was me who created the mess in the first place, sorry) and merged: Thanks!