Add GetBurning's remix info to material swatch model README

Author: smkent

material-swatches/README.md

@@ -17,6 +17,15 @@ which allows creation of swatches with arbitrary text.
 Material Swatches also happen to be the perfect size to [store in Gridfinity
 bins!][gridfinity-bins-material-swatches]
 
+## Included remix by GetBurning
+
+This model includes a tweaked version of [GetBurning's remix of this
+model][getburning-remix] as `material-swatch-getburning-remix.scad`, which
+supports adding three lines of arbitrary text onto the swatch instead of just
+using the material name.
+
+This remix uses the [Obitron font][orbitron-font] ([license][ofl]).
+
 ## Differences of the remix compared to the original
 
 This is a version of Material Swatches created from scratch in OpenSCAD
@@ -29,9 +38,12 @@ This is a remix of
 Both the original model and this remix are licensed under
 [Creative Commons CC0 1.0 Universal (Public Domain)][license].
 
+[getburning-remix]: https://www.printables.com/model/764204-scad-material-swatch-with-three-lines
 [gridfinity-bins-material-swatches]: https://www.printables.com/model/587675
 [license-badge]: /_static/license-badge-cc0-1.0.svg
 [license]: http://creativecommons.org/publicdomain/zero/1.0/
+[ofl]: https://openfontlicense.org/open-font-license-official-text/
+[orbitron-font]: https://fonts.google.com/specimen/Orbitron
 [original-model-url]: https://printables.com/model/2256
 [printables-badge]: /_static/printables-badge.png
 [printables-model]: https://www.printables.com/model/623563