feat: allow yaml parse/stringify options in config

[KaneFreeman]

Resolves: #976

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[codecov]

Codecov Report

Merging #977 (562b436) into next (037ac0b) will increase coverage by 0.01%.
The diff coverage is 69.23%.

❗ Current head 562b436 differs from pull request most recent head 06b3726. Consider uploading reports for the commit 06b3726 to get more accurate results

@@            Coverage Diff             @@
##             next     #977      +/-   ##
==========================================
+ Coverage   55.72%   55.74%   +0.01%     
==========================================
  Files         258      258              
  Lines       12228    12233       +5     
  Branches     3072     3076       +4     
==========================================
+ Hits         6814     6819       +5     
  Misses       5006     5006              
  Partials      408      408              

Files	Coverage Δ
packages/core/src/formats/FileFormatter.ts	100.00% <ø> (ø)
packages/core/src/formats/YamlFormatter.ts	96.87% <100.00%> (+4.01%)	⬆️
packages/core/src/interface.ts	87.50% <ø> (ø)
packages/core/src/actions/entries.ts	18.25% <0.00%> (ø)
packages/core/src/formats/frontmatter.ts	63.23% <60.00%> (ø)
packages/core/src/backend.ts	57.69% <28.57%> (-0.10%)	⬇️