Highlight GeoJSON files as if they were plain JSON
Currently, GeoJSON files syntax isn’t highlighted in any way.
GeoJSON is a subset of JSON and, as such, it can be higlighted using
the same rules as JSON.
Reviewed By: cullmann
Subscribers: cullmann, kwrite-devel, kde-frameworks-devel
Differential Revision: https://phabricator.kde.org/D24306