hat— your PDA address, eg.
username— the first part of the PDA address, eg.
password— the password of your PDA
/etc/hostsfile. This will make sure when you go to the defined address from your machine you will be pointed back to your own machine. E.g.:
hat/conf/dev.confconfiguration file. Make sure you run the project locally with the configuration enabled (using the steps above) or it will just show you the message that the HAT could not be found.
devhatslist sets out the list of HATs that are served by the current server, for
hatsection lists all corresponding HAT configurations to serve, here