fix conflict involving not: prefixed tags, detected by https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports/ mpr.lt/c/40177/t/169810491

fix conflict involving not: prefixed tags, detected by https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports/ mpr.lt/c/40177/t/169810416

fix conflict involving not: prefixed tags, detected by https://matkoniecz.github.io/OSM-wikipedia-tag-validator-reports/ mpr.lt/c/40177/t/169810534

Remove duplicate car sharing amenity, since it is already mapped as a node.

Determine roads lane count

Specify whether traffic signals have tactile indications that it's safe to cross

Specify whether crosswalks have tactile paving

Specify building types

Specify whether steps have a ramp

Survey if places (shops and other shop-like) still exist

Specify whether steps have handrails

Survey whether benches have backrests

Determine the heights of kerbs

Specify cycleway path surfaces

Specify whether kerbs have tactile paving

Add footway path surfaces

Specify bicycle parking types

Specify whether there are crossings at intersections of paths and roads

Specify whether pedestrian crossings have islands

Specify path surfaces