fix: refactor getMetadata sample into its own file

[sofisl]

No description provided.

[codecov]

Codecov Report

Merging #1008 into master will increase coverage by <.01%.
The diff coverage is 100%.

@@            Coverage Diff             @@
##           master    #1008      +/-   ##
==========================================
+ Coverage      99%   99.01%   +<.01%     
==========================================
  Files          11       11              
  Lines       10659    10708      +49     
  Branches      473      473              
==========================================
+ Hits        10553    10602      +49     
  Misses        106      106

Impacted Files	Coverage Δ
src/file.ts	99.65% <ø> (-0.01%)	⬇️
src/storage.ts	100% <100%> (ø)	⬆️
src/bucket.ts	99.3% <100%> (ø)	⬆️

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