Added Hindu religion icon and rendering

Added Hindu religion icon and rendering

https://trac.openstreetmap.org/ticket/4168
Redo https://github.com/Rovastar/openstreetmap-carto/commit/e5320dbd98981fdeb1944771d54d6984b4bf4b73
Merge branch 'add_hindu_icon' of https://github.com/CloCkWeRX/openstreetmap-carto into CloCkWeRX-add_hindu_icon