For this quick example I will be showing how the Sky Glass theme works.
Firstly you will need to understand the layout of a .qth archive - a QTH archive is simply a ZIP archive (renamed suffix)
You are able to edit Colors of the app...
Figured I'd post this here for those of you who may be interested:
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As you can see its using JSON Web Token (Bearer tokens) and isn't XtremeCodes API, what you can see is the standard-ish...