bug fix #111. allow multiple box::use() calls for packages and modules

[radbasa]

Closes #111

Description

• allows multiple separate box::use() calls for both packages and modules
• new function to manage multiple box::use() calls to fit in current architecture/algorithm
• box PR may be a better solution in the future.

Definition of Done

• The change is thoroughly documented.
• The CI passes (R CMD check, linter, unit tests, spelling).
• Any generated files have been updated (e.g. .Rd files with roxygen2::roxygenise())

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 98.41%. Comparing base (861ec8c) to head (e4cdbb5).

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #116      +/-   ##
==========================================
+ Coverage   98.38%   98.41%   +0.03%     
==========================================
  Files          21       21              
  Lines         804      821      +17     
==========================================
+ Hits          791      808      +17     
  Misses         13       13              

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.

[jakubnowicki]

LGTM