8a.nu NIP

Crag event:
* kind: 35131
* multiple `image` tags
* geotags

Route event:
* kind: 35132
* optional `node` tags with coordinates of the path of one of the images (to overlay a line on one of the images to draw the route)

Tick event:
* kind: 513
* `grade` tag
* `content` is comment of the tick
* `style` (flash, redpoint, onsight, etc)
* a tags of crag and route events
* optional rating tags