[OSM-dev] switch2osm typo

[Sören Gasch]

Hi everybody,

I found a minor flaw within the leaflet guide on switch2osm at

https://switch2osm.org/using-tiles/getting-started-with-leaflet/

Just above the first code sample it states a file called 
'leaflet_embed.js'. In contrast within the second code section where the 
linked javascript is called 'leaflet/leafletembed.js'

Eventually someone could fix this.

Greetz from Hanover,
Sören