feat: Add get and set preference

[codecov[bot]]

Codecov Report

Merging #68 into master will decrease coverage by 1.15%. The diff coverage is 0.00%.

@@            Coverage Diff             @@
##           master      #68      +/-   ##
==========================================
- Coverage   56.29%   55.13%   -1.16%     
==========================================
  Files           2        2              
  Lines         286      292       +6     
  Branches       52       45       -7     
==========================================
  Hits          161      161              
- Misses        124      130       +6     
  Partials        1        1              

Impacted Files	Coverage Δ
src/index.ts	48.82% <0.00%> (-1.18%)	:arrow_down:
src/types.ts	100.00% <ø> (ø)

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[scttcper]

:tada: This PR is included in version 2.2.0 :tada:

The release is available on:

• npm package (@latest dist-tag)
• GitHub release

Your semantic-release bot :package::rocket: