Add related "bikability" metrics

LTS is a specific measure of comfort on specific street segments. It could be nice to see how the network affects the bikability at the neighborhood level. This could give a more heatmap style data display.

https://heigit.org/analyzing-bikeability/
https://hex.ohsome.org/#/index_bikeability/2023-01-01T00:00:00Z/5/46.47901634814548/0.22765300176496628