WIP: Generated clients for HTTP and GRPC

[withinboredom]

Description

This is a work-in-progress diff to generate clients for GRPC and REST with Dapr.

Issue reference

We strive to have all PR being opened based on an issue, where the problem or feature have been discussed prior to
implementation.

Please reference the issue this PR will close: #36

Checklist

Please make sure you've completed the relevant tasks for this PR, out of the following list:

• Tests pass
• Created/updated tests
• Extended the documentation

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 73.76%. Comparing base (8c6dda2) to head (51ae660).
Report is 26 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff            @@
##               main      #91   +/-   ##
=========================================
  Coverage     73.76%   73.76%           
  Complexity      396      396           
=========================================
  Files            49       49           
  Lines          1456     1456           
=========================================
  Hits           1074     1074           
  Misses          382      382           

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