Add headings for two more guide sections
Add headings for two more guide sections

lukexi/stack,deech/stack,vigoo/stack,mrkkrp/stack,MaxGabriel/stack,mathhun/stack,Heather/stack,cabrera/stack,mrkkrp/stack,kairuku/stack,bollu/stack,juhp/stack,Heather/stack,sjakobi/stack,athanclark/stack,Andrew-the-Ubergeek/stack,kairuku/stack,achernyak/stack,akhileshs/stack,adinapoli/stack,deech/stack,athanclark/stack,harendra-kumar/stack,sjakobi/stack,meiersi-11ce/stack,tedkornish/stack,meiersi-11ce/stack,Fuuzetsu/stack,Fuuzetsu/stack,rrnewton/stack,rvion/stack,rubik/stack,narrative/stack,rubik/stack,luigy/stack,keent/stack,MichielDerhaeg/stack,bollu/stack,AndrewRademacher/stack,supermario/stack,keent/stack,rvion/stack,phadej/stack,bixuanzju/stack,achernyak/stack,narrative/stack,Blaisorblade/stack,tedkornish/stack,wolftune/stack,fizruk/stack,rekka/stack,martin-kolinek/stack,MichielDerhaeg/stack,ant1441/stack,Andrew-the-Ubergeek/stack,mathhun/stack,anton-dessiatov/stack,martin-kolinek/stack,bixuanzju/stack,AndreasPK/stack,adinapoli/stack,rekka/stack,robstewart57/stack,lukexi/stack,sinelaw/stack,luigy/stack,ant1441/stack,robstewart57/stack,Blaisorblade/stack,akhileshs/stack,AndrewRademacher/stack,fizruk/stack,sinelaw/stack,AndreasPK/stack,wolftune/stack,rrnewton/stack,vigoo/stack,phadej/stack,supermario/stack,harendra-kumar/stack,anton-dessiatov/stack,cabrera/stack,juhp/stack,MaxGabriel/stack