Add user resources (dependency injection) and finalizers

[avillega]

Adds finalizers and user defined resources. Finalizers will run at the
end of the Context where they were specified and in between retries.

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 90.32258% with 3 lines in your changes missing coverage. Please review.

Project coverage is 81.60%. Comparing base (3110fa2) to head (e340dc0).

Files	Patch %	Lines
lib/resonate.ts	88.88%	3 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #135      +/-   ##
==========================================
+ Coverage   81.54%   81.60%   +0.05%     
==========================================
  Files          17       17              
  Lines        1138     1158      +20     
  Branches      315      329      +14     
==========================================
+ Hits          928      945      +17     
+ Misses        210      206       -4     
- Partials        0        7       +7     

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