feat: support getItem(key, { type })

[jlucaso1]

Implements #528

[codecov]

Codecov Report

Attention: Patch coverage is 74.57627% with 15 lines in your changes missing coverage. Please review.

Project coverage is 59.50%. Comparing base (70310f9) to head (3fcff8f).
Report is 19 commits behind head on main.

Files with missing lines	Patch %	Lines
src/storage.ts	74.57%	14 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #610      +/-   ##
==========================================
- Coverage   59.99%   59.50%   -0.49%     
==========================================
  Files          42       42              
  Lines        3657     3823     +166     
  Branches      590      618      +28     
==========================================
+ Hits         2194     2275      +81     
- Misses       1460     1544      +84     
- Partials        3        4       +1     

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[pi0]

After pushed some simplification refactors (5b020ec) i noticed there are cases we don't cover (for example blob to bytes) and cases we cover but without best perf (for example blob can be constructed from string and also directly converted to an stream).

Thinking to migrate to undio

[jlucaso1]

@pi0 The last commit is an attempt of migrate to undio. Can you review again?