New unregistered search command

[tjzegmott]

Description

Related Issue

Screenshots (if appropriate):

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

• My code follows the code style of this project.
• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing tests passed.

[codecov-commenter]

Codecov Report

❌ Patch coverage is 65.34653% with 35 lines in your changes missing coverage. Please review.
✅ Project coverage is 66.30%. Comparing base (fcf298d) to head (d8dd35b).

Files with missing lines	Patch %	Lines
dtcli/unregistered.py	44.06%	33 Missing ⚠️
tests/test_functions.py	90.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #170      +/-   ##
==========================================
- Coverage   66.35%   66.30%   -0.05%     
==========================================
  Files          15       15              
  Lines        1489     1588      +99     
==========================================
+ Hits          988     1053      +65     
- Misses        501      535      +34     

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[coveralls]

coverage: 66.31% (-0.04%) from 66.353% — new-unregistered-search-command into main