The first step is an call to the Steam Web API to load all games the user owns.
After that the script request the Achivements for every single game from the Steam Web API. This may take a while.
Go to Steam and enter anything in the 'Domain' field to receive the key.
Store the key in a enviorment variable named STEAM_KEY
Just ask a search engine of your choice. :) It must be a number!
Store this number in a enviorment variable named STEAM_ID
./loadAchivements.sh