refactor(ts): refactor proxy module to TS

[jescalada]

Draft PR that refactors the core proxy logic to TS and ESM.

[codecov-commenter]

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Codecov Report

Attention: Patch coverage is 72.80514% with 127 lines in your changes missing coverage. Please review.

Please upload report for BASE (main@9046dd4). Learn more about missing BASE report.

Files with missing lines	Patch %	Lines
src/db/file/repo.ts	50.00%	23 Missing ⚠️
src/db/file/pushes.ts	47.05%	18 Missing ⚠️
src/proxy/processors/push-action/parsePush.ts	48.57%	18 Missing ⚠️
src/db/index.ts	42.85%	11 Missing and 5 partials ⚠️
src/proxy/actions/Action.ts	64.10%	14 Missing ⚠️
...roxy/processors/push-action/checkCommitMessages.ts	54.54%	5 Missing ⚠️
src/plugin.ts	0.00%	4 Missing ⚠️
src/proxy/processors/pre-processor/parseAction.ts	50.00%	4 Missing ⚠️
src/proxy/routes/index.ts	66.66%	4 Missing ⚠️
src/db/file/users.ts	80.00%	3 Missing ⚠️
... and 9 more

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Additional details and impacted files

@@           Coverage Diff           @@
##             main      #39   +/-   ##
=======================================
  Coverage        ?   50.08%           
=======================================
  Files           ?       48           
  Lines           ?     1711           
  Branches        ?      174           
=======================================
  Hits            ?      857           
  Misses          ?      834           
  Partials        ?       20           

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