Change the model naming for short_dom and long_dom

[OCopping]

This changes them to location and domain respectively to make the naming consistent with other tools.

This change was requested by @coretl .

[codecov]

Codecov Report

❌ Patch coverage is 73.33333% with 4 lines in your changes missing coverage. Please review.
✅ Project coverage is 89.48%. Comparing base (42d77d7) to head (79923e2).

Files with missing lines	Patch %	Lines
src/techui_builder/__main__.py	0.00%	2 Missing ⚠️
src/techui_builder/models.py	83.33%	2 Missing ⚠️

Additional details and impacted files

@@           Coverage Diff           @@
##             main     #203   +/-   ##
=======================================
  Coverage   89.48%   89.48%           
=======================================
  Files           9        9           
  Lines         808      808           
=======================================
  Hits          723      723           
  Misses         85       85           

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