Hg 105 display ads

First implementation of showing ads
using 'ads as they are right now'

this should allow us to test ads and reloading them with least effort
I guess:
'☃☃☃☃©_mañana_Z͑ͫ̓ͪ̂ͫ̽͏̴̙̤̞͉͚̯̞̠͍A̴̵̜̰͔ͫ͗͢L̠ͨͧͩ͘G̴̻͈͍͔̹̑͗̎̅͛́Ǫ̵̹̻̝̳͂̌̌͘!͖̬̰̙̗̿̋ͥͥ̂ͣ̐́́͜͞'.toLowerCase().replace(/_/g, '-');