fix: Fix LF JSON parsing issue and add some exports (no upgrades or other changes)

[richtera]

What kind of change does this PR introduce (bug fix, feature, docs update, ...)?

Add handling of EOF LF for JSON parsing
Add some additional esm exports

What is the current behaviour (you can also link to an open issue here)?

What is the new behaviour (if this is a feature change)?

Other information:

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 66.66667% with 6 lines in your changes are missing coverage. Please review.

Project coverage is 82.12%. Comparing base (e46dfd8) to head (aa68bf1).

Files	Patch %	Lines
src/lib/getDataFromExternalSources.ts	50.00%	2 Missing and 4 partials ⚠️

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Additional details and impacted files

@@             Coverage Diff             @@
##           develop     #385      +/-   ##
===========================================
- Coverage    82.30%   82.12%   -0.18%     
===========================================
  Files           19       19              
  Lines         1294     1309      +15     
  Branches       298      302       +4     
===========================================
+ Hits          1065     1075      +10     
- Misses         126      128       +2     
- Partials       103      106       +3     

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