Support latest Openstreetmap vector tiles

[jidanni]

https://blog.openstreetmap.org/2024/02/11/2024-announcing-the-year-of-the-openstreetmap-vector-maps/

https://wiki.openstreetmap.org/wiki/Vector_tiles

I don't really know much about them, but apparently it's the next greatest thing. So as a long-term goal, Viking should support them.

Yes I know there is also:

https://sourceforge.net/p/viking/feature-requests/147/ etc.