Add message key to the Kafka messages for adding hosts

[thearifismail]

@JoySnow This is my suggestion. Jist of the matter is the uploaded kafka message should have "key": "<org-d>"

[codecov-commenter]

Codecov Report

Attention: Patch coverage is 20.00000% with 4 lines in your changes missing coverage. Please review.

Project coverage is 78.40%. Comparing base (c7a7526) to head (b09f6de).

Files with missing lines	Patch %	Lines
yuptoo/lib/produce.py	25.00%	3 Missing ⚠️
yuptoo/processor/report_processor.py	0.00%	1 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #126      +/-   ##
==========================================
- Coverage   78.53%   78.40%   -0.13%     
==========================================
  Files          23       23              
  Lines         615      616       +1     
==========================================
  Hits          483      483              
- Misses        132      133       +1     

Flag	Coverage Δ
unittests	78.40% <20.00%> (-0.13%)	⬇️

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