John Hunter 0411f1c830
feat: horizon theme (#253)
* Added Horizon theme

* Tweaked a colour

* another tweak and updated readme with screenshots.

* Added copyright and luaformatter. Corrected THEMES.md

* fixed lint error
2021-05-21 00:07:27 +02:00
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2021-05-21 00:07:27 +02:00