introduce (build)libs.versions.toml and move yarn.lock into /gradle

[robstoll]

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[codecov]

Codecov Report

All modified lines are covered by tests ✅

Comparison is base (58b4619) 90.60% compared to head (d21b9e0) 91.91%.

Additional details and impacted files

@@             Coverage Diff              @@
##               main    #1566      +/-   ##
============================================
+ Coverage     90.60%   91.91%   +1.30%     
  Complexity      114      114              
============================================
  Files           424      424              
  Lines          4600     4600              
  Branches        228      228              
============================================
+ Hits           4168     4228      +60     
+ Misses          384      326      -58     
+ Partials         48       46       -2     

Flag	Coverage Δ
current	91.47% <ø> (?)
current_windows	90.60% <ø> (ø)

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see 1 file with indirect coverage changes

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