(#59) protobuf: add classlibrary implementation

[SaintAngeLs]

(#59)

[codecov]

Codecov Report

Attention: Patch coverage is 66.31579% with 64 lines in your changes missing coverage. Please review.

@@            Coverage Diff             @@
##             main      #60      +/-   ##
==========================================
+ Coverage   48.73%   50.36%   +1.63%     
==========================================
  Files          66       76      +10     
  Lines        1859     2049     +190     
  Branches      220      225       +5     
==========================================
+ Hits          906     1032     +126     
- Misses        873      937      +64     
  Partials       80       80              

Flag	Coverage Δ
Paralax	86.86% <ø> (ø)
Paralax.CQRS.Commands	88.88% <ø> (ø)
Paralax.CQRS.EventSourcing	78.12% <ø> (ø)
Paralax.CQRS.Logging	71.32% <ø> (ø)
Paralax.CQRS.Queries	52.43% <ø> (ø)
Paralax.Docs.Scalar	73.19% <ø> (ø)
Paralax.Logging	57.93% <ø> (ø)
Paralax.MessageBrokers	65.78% <ø> (ø)
Paralax.Persistence.MongoDB	50.00% <ø> (ø)
Paralax.Security	58.41% <ø> (ø)
Paralax.WebApi	26.74% <ø> (ø)
Paralax.WebApi.Security	31.97% <ø> (ø)
Paralax.gRPC	40.00% <40.00%> (?)
Paralax.gRPC.Protobuf	89.28% <89.28%> (?)

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Components	Coverage Δ
Paralax Core	86.86% <ø> (ø)
Paralax CQRS Commands	88.88% <ø> (ø)
Paralax CQRS Queries	52.43% <ø> (ø)
Paralax HTTP	∅ <ø> (∅)
Paralax Security	58.41% <ø> (ø)