readme: give an example of API usage; give a link to the API ref
readme: give an example of API usage; give a link to the API ref

olzd/touist,FredMaris/touist,FredMaris/touist,touist/touist,touist/touist,touist/touist,olzd/touist,touist/touist,olzd/touist,FredMaris/touist