[generator][indexer] include collection_times in map data (no display/edit yet)

[RedAuburn]

working in parts to make it easier to review & work on.
This PR only includes it into the map data, no user-facing display yet.

part of #2431

[RedAuburn]

Further work kind of blocked by #7974, as parsing should be done through whatever lib we use.

Maybe we can just display the collection_times as text for now? It'd still be useful in that form

[Misalf-git]

It'd still be useful in that form

Indeed

[biodranik]

Will it be displayed properly in the UI? Does our UI support displaying single-time values, not ranges?

And what about the editor? It should have a different UI, right?

Which OSM objects have this feature?

[RedAuburn]

Will it be displayed properly in the UI? Does our UI support displaying single-time values, not ranges?

Eventually yes, but as mentioned I think it's kind of blocked by #7974. The current proposal is to just display as the raw values eg. Mo-Fr 09:00; Sa 12:00. As collection time strings are usually relatively simple, and it's really useful information.

And what about the editor? It should have a different UI, right?

only slightly, instead of selecting a to-from time, it would just be a single point.

Which OSM objects have this feature?

the big one is amenity=post_box, 45% (169,103 post boxes) have it tagged. it's particularly well tagged in the UK.
also it's used for recycling etc.

[biodranik]

I'm ok to add it to generator now and properly add into the UI/editor later. @vng WDYT?