GPX viewer and recorder. This app is the windows 10 version of "Gps navigator recorder" (more than 300.000 download in one year). With this app you can view GPX files (routes, tracks, point of interest) on a Windows 10 pc. If you use a smartphone, you can also follow you and draw the route on the map, then save it in the device.
I was searching for a different issue and found this one, there is another way that you could achieve this without having to add it in index.html.. I faced a similar problem where I had to use two Google API keys for different environments so hard-coding it in to index.html was not a good idea, I did this if it helps anyone -n92Iz.