Config created with a lot of help from @ithinkido

Thanks for the contribution!

Please add the following line in CHANGELOG.md (under 'New feature') and I'll merge:

* Added HPGL configuration for the Houston Instrument DMP-161 plotter (thanks to @jimmykl and @ithinkido) (#472)

Codecov Report

Merging #472 (dde5b4e) into master (ab39d5b) will not change coverage.
The diff coverage is n/a.

❗ Current head dde5b4e differs from pull request most recent head 28127a7. Consider uploading reports for the commit 28127a7 to get more accurate results

@@           Coverage Diff           @@
##           master     #472   +/-   ##
=======================================
  Coverage   94.38%   94.38%           
=======================================
  Files          60       60           
  Lines        5396     5396           
  Branches      786      786           
=======================================
  Hits         5093     5093           
  Misses        185      185           
  Partials      118      118           

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Thanks for the contribution!

Please add the following line in CHANGELOG.md (under 'New feature') and I'll merge:

* Added HPGL configuration for the Houston Instrument DMP-161 plotter (thanks to @jimmykl and @ithinkido) (#472)

Done, thanks @abey79