Add fingerprint plugin for Nostromo server

[ybadaoui-ostorlab]

This PR is for adding a fingerprint plugin for Nostromo server, the fingerprinting is done by searching for the the server header and check if it have nostromo with a version on it.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 97.23%. Comparing base (ac632b8) to head (18a5034).
Report is 2 commits behind head on main.

Additional details and impacted files

@@           Coverage Diff           @@
##             main      #79   +/-   ##
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  Coverage   97.23%   97.23%           
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  Files           3        3           
  Lines         650      650           
=======================================
  Hits          632      632           
  Misses         18       18           

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