Quarkus + Langchain4j Dapr Workflows extension + Agent registry

[salaboy]

Description

Initial implementation for Quarkus + Langchain4j extension for Dapr Workflows.

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: #1688

Checklist

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

• Code compiles correctly
• Created/updated tests
• Extended the documentation

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 79.51%. Comparing base (f63a4a4) to head (497593e).

Additional details and impacted files

@@             Coverage Diff              @@
##             master    #1693      +/-   ##
============================================
- Coverage     79.53%   79.51%   -0.02%     
- Complexity     2193     2194       +1     
============================================
  Files           237      237              
  Lines          6577     6577              
  Branches        730      730              
============================================
- Hits           5231     5230       -1     
- Misses          990      992       +2     
+ Partials        356      355       -1     

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