Add Word Alignment engine:

[johnml1135]

• Add HTTP API
• Add Grpc
• Add Echo
• Add Serval services
• Add machine level implementation
• Add tests

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This change is 

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 42.23790% with 1146 lines in your changes missing coverage. Please review.

Project coverage is 51.31%. Comparing base (a68bc9c) to head (6987a7a).

Files with missing lines	Patch %	Lines
...ment/Controllers/WordAlignmentEnginesController.cs	0.00%	405 Missing ⚠️
...red/Services/ServalWordAlignmentEngineServiceV1.cs	0.00%	144 Missing ⚠️
...achine.Shared/Services/StatisticalEngineService.cs	0.00%	121 Missing ⚠️
...src/Serval.WordAlignment/Services/EngineService.cs	73.97%	94 Missing and 14 partials ⚠️
...hine.Shared/Services/TranslationBuildJobService.cs	0.00%	42 Missing ⚠️
...l.Machine.Shared/Services/ClearMLMonitorService.cs	11.90%	37 Missing ⚠️
...ignment/Services/WordAlignmentPlatformServiceV1.cs	88.39%	21 Missing and 13 partials ⚠️
...ks/Consumers/WordAlignmentBuildFinishedConsumer.cs	0.00%	29 Missing ⚠️
...oks/Consumers/WordAlignmentBuildStartedConsumer.cs	0.00%	26 Missing ⚠️
...l.WordAlignment/Contracts/WordAlignmentBuildDto.cs	0.00%	15 Missing ⚠️
... and 38 more

❗ There is a different number of reports uploaded between BASE (a68bc9c) and HEAD (6987a7a). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (a68bc9c)	HEAD (6987a7a)
	2	1

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #506      +/-   ##
==========================================
- Coverage   57.25%   51.31%   -5.95%     
==========================================
  Files         299      342      +43     
  Lines       15664    18957    +3293     
  Branches     2163     2678     +515     
==========================================
+ Hits         8968     9727     +759     
- Misses       6054     8558    +2504     
- Partials      642      672      +30     

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[johnml1135]

@ddaspit - this is finally ready for review.