Added node for MAMP users
Added node for MAMP users

Struggled with this for about 45 minutes and it seems its something that trips up most MAMP users when they run mysql outside of the mamp PHP environment. 

Not sure if this is too much info for the config file, so feel free to not accept this :)
cloudron-io/mailtrain,cloudron-io/mailtrain,cloudron-io/mailtrain