Update docs example of adding assets to footer (#319)
Update docs example of adding assets to footer (#319)


miljan-aleksic/grav-learn,Quy/grav-learn,Quy/grav-learn,getgrav/grav-learn,getgrav/grav-learn,Quy/grav-learn,miljan-aleksic/grav-learn,getgrav/grav-learn,getgrav/grav-learn,miljan-aleksic/grav-learn,Quy/grav-learn,miljan-aleksic/grav-learn