Fix logo link
Fix logo link

Update link to thoughtbot logo using new public image.
pandamako/paperclip,sideci-sample/sideci-sample-paperclip,raow/paperclip,mrb/paperclip,frankpinto/paperclip,freeslugs/paperclip,soramugi/paperclip,joshisa/paperclip,victorngkp/paperclip,rpbaptist/paperclip,Leadformance/paperclip,mehulkar/paperclip,tylerwillingham/paperclip,frankpinto/paperclip,zurb/paperclip,maintux/paperclip,Sporky023/paperclip,freeslugs/paperclip,keathley/paperclip,howaboutwe/paperclip,mdkalish/paperclip,greatbody/paperclip,cmaion/paperclip,sopheak-se/paperclip,ScotterC/paperclip,InesCARodrigues/paperclip,raow/paperclip,aditya01933/paperclip,agcantarelli/paperclip,mrgilman/paperclip,dgynn/paperclip,medcat/paperclip,keathley/paperclip,pandamako/paperclip,agcantarelli/paperclip,gfvcastro/paperclip,zurb/paperclip,greatbody/paperclip,pcorliss/paperclip,alexandrz/paperclip,Sporky023/paperclip,dgynn/paperclip,medcat/paperclip,alexandrz/paperclip,felipemathies/paperclip,mehulkar/paperclip,joshisa/paperclip,rpbaptist/paperclip,sopheak-se/paperclip,degica/paperclip,ScotterC/paperclip,onursarikaya/paperclip,tylerwillingham/paperclip,maintux/paperclip,justanshulsharma/paperclip,betesh/paperclip,InesCARodrigues/paperclip,carnivalmobile/paperclip,gfvcastro/paperclip,carnivalmobile/paperclip,crowdtap/paperclip,Cohealo/paperclip,victorngkp/paperclip,betesh/paperclip,crowdtap/paperclip,justanshulsharma/paperclip,aditya01933/paperclip,soramugi/paperclip,danielwanja/paperclip,mrb/paperclip,mdkalish/paperclip,manorie/paperclip,manorie/paperclip,degica/paperclip,felipemathies/paperclip,mrgilman/paperclip,Cohealo/paperclip,tiegz/paperclip,bdewater/paperclip,bdewater/paperclip,tiegz/paperclip,Leadformance/paperclip,cmaion/paperclip,onursarikaya/paperclip