How do I add a trail to a list?

1. Search for a trail:
   1. How do I search for trails from a GPS location?
   2. How do I search for trails from a position chosen on the map?
   3. How do I search for trails using a QR Code?
2. Press the trail you want to add to your favourites.
3. The details of the trail are displayed. Click on the add to favourites button to add it.