feat: wrapper around the messenger service

[gk-kindred]

Similar to the thin wrapper for talos_certifier using kafka called certifier_kafka_pg.

A thin wrapper is created for the messenger called messenger_with_kafka , so that the consumers, be it our own example binary or some other binary, can use the messenger with kafka consumer and producer by passing just the minimum configs required.

[codecov]

Codecov Report

Attention: 5 lines in your changes are missing coverage. Please review.

Comparison is base (127d304) 57.00% compared to head (8c45361) 56.94%.

Files	Patch %	Lines
...alos_messenger_actions/src/messenger_with_kafka.rs	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #95      +/-   ##
==========================================
- Coverage   57.00%   56.94%   -0.06%     
==========================================
  Files         113      113              
  Lines        5707     5711       +4     
==========================================
- Hits         3253     3252       -1     
- Misses       2454     2459       +5     

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