Added new Installer class
Added new Installer class

tomzx/blog.tomrochette.com,frlan/datenknoten.me,eivantsov/grav-blog-site,sylvestrelucia/grav,joeyhenricks/a-broke-vegan,qbi/datenknoten.me,getgrav/grav,dimayakovlev/grav,frlan/datenknoten.me,Pumpapa/chriswalters.nl,enko/datenknoten.me,tomzx/blog.tomrochette.com,Pumpapa/lucaswalters.nl,dimayakovlev/grav,tomzx/blog.tomrochette.com,anapsix/dynamicinfradays,stell/grav,toovy/grav,sylvestrelucia/grav,lennerd/grav,getgrav/grav,Pumpapa/lucaswalters.nl,tcsizmadia/grav,Vivalldi/grav,Pumpapa/jacinthawalters.nl,sylvestrelucia/grav,shortsofia/testesitegrav.github.io,iMoonThailand/grav,z3cka/grav,jeffam/grav,VillainyStudios/grav,Silwereth/grav,JamesPan/gravbox,userfrosting/learn,undesign/undesign.github.io,webuxr/iamrs,anapsix/dynamicinfradays,ccardinaux/grav-test,DonLiborio/grav,Sommerregen/grav,undesign/undesign.github.io,notklaatu/grav,frlan/datenknoten.me,davistech/grav,enko/datenknoten.me,userfrosting/learn,sylvestrelucia/grav,jeremykenedy/grav,JamesPan/gravbox,userfrosting/learn,nunull/grav,qbi/datenknoten.me,anapsix/dynamicinfradays,tomzx/blog.tomrochette.com,jinxboy13/grav,anapsix/dynamicinfradays,JamesPan/gravbox,userfrosting/learn,qbi/datenknoten.me,enko/datenknoten.me,attiks/grav,frlan/datenknoten.me,notklaatu/grav,qbi/datenknoten.me,enko/datenknoten.me,HarcourtsAcademy/grav-ha,beacloudgenius/grav,JamesPan/gravbox,gigago/grav,joeyhenricks/a-broke-vegan,chkir/grav,toovy/grav,Vivalldi/grav,mikkeschiren/sekvenser-grav,TheHiddenHaku/alessiobottiroli-website-grav,Pumpapa/lucaswalters.nl