feat: warehouse transformer

[achettyiitr]

Description

• Warehouse transformation as a module.
• It's basically ported from the warehouse module of the rudder-transformer.

Linear Ticket

• Resolves PIPE-1585

Security

• The code changed/added as part of this pull request won't create any security issues with how the software is being used.

[lvrach]

should we add a tag implementation to distinguish between go or js-client

[achettyiitr]

We are already prefixing warehouse_ as part of the stat name.

[codecov]

Codecov Report

Attention: Patch coverage is 76.08696% with 341 lines in your changes missing coverage. Please review.

Project coverage is 73.22%. Comparing base (9683021) to head (277bc71).

Files with missing lines	Patch %	Lines
warehouse/transformer/identify.go	58.55%	44 Missing and 19 partials ⚠️
warehouse/transformer/setdata.go	52.03%	45 Missing and 14 partials ⚠️
warehouse/transformer/track.go	61.65%	34 Missing and 17 partials ⚠️
warehouse/transformer/extract.go	58.62%	16 Missing and 8 partials ⚠️
warehouse/transformer/alias.go	55.31%	14 Missing and 7 partials ⚠️
warehouse/transformer/group.go	55.31%	14 Missing and 7 partials ⚠️
warehouse/transformer/page.go	55.31%	14 Missing and 7 partials ⚠️
warehouse/transformer/screen.go	55.31%	14 Missing and 7 partials ⚠️
warehouse/transformer/transformer.go	84.96%	16 Missing and 4 partials ⚠️
warehouse/transformer/merge.go	90.97%	8 Missing and 4 partials ⚠️
... and 5 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5205      +/-   ##
==========================================
- Coverage   74.71%   73.22%   -1.50%     
==========================================
  Files         417      445      +28     
  Lines       49913    60503   +10590     
==========================================
+ Hits        37294    44303    +7009     
- Misses      10199    13679    +3480     
- Partials     2420     2521     +101     

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