Added .editorconfig (#2740)
Added .editorconfig (#2740)

* Added .editorconfig

* Added json and yml for 2 space indenting

* Added scss for 4 space indenting

iansprice/wagtail,jnns/wagtail,rsalmaso/wagtail,zerolab/wagtail,jnns/wagtail,kurtrwall/wagtail,nimasmi/wagtail,nealtodd/wagtail,thenewguy/wagtail,Toshakins/wagtail,gasman/wagtail,thenewguy/wagtail,kaedroho/wagtail,kurtrwall/wagtail,gasman/wagtail,wagtail/wagtail,gasman/wagtail,kurtrwall/wagtail,chrxr/wagtail,rsalmaso/wagtail,gasman/wagtail,rsalmaso/wagtail,kaedroho/wagtail,chrxr/wagtail,thenewguy/wagtail,takeflight/wagtail,torchbox/wagtail,wagtail/wagtail,nealtodd/wagtail,nimasmi/wagtail,nutztherookie/wagtail,mikedingjan/wagtail,thenewguy/wagtail,zerolab/wagtail,Toshakins/wagtail,nealtodd/wagtail,nutztherookie/wagtail,nilnvoid/wagtail,nimasmi/wagtail,mikedingjan/wagtail,FlipperPA/wagtail,Toshakins/wagtail,mixxorz/wagtail,mikedingjan/wagtail,FlipperPA/wagtail,nilnvoid/wagtail,timorieber/wagtail,takeflight/wagtail,takeflight/wagtail,gasman/wagtail,wagtail/wagtail,nilnvoid/wagtail,kurtw/wagtail,mikedingjan/wagtail,rsalmaso/wagtail,FlipperPA/wagtail,torchbox/wagtail,takeflight/wagtail,mixxorz/wagtail,timorieber/wagtail,Toshakins/wagtail,kaedroho/wagtail,FlipperPA/wagtail,zerolab/wagtail,wagtail/wagtail,mixxorz/wagtail,kurtrwall/wagtail,kaedroho/wagtail,jnns/wagtail,iansprice/wagtail,zerolab/wagtail,nutztherookie/wagtail,timorieber/wagtail,nimasmi/wagtail,mixxorz/wagtail,iansprice/wagtail,chrxr/wagtail,thenewguy/wagtail,iansprice/wagtail,jnns/wagtail,timorieber/wagtail,kurtw/wagtail,rsalmaso/wagtail,wagtail/wagtail,mixxorz/wagtail,nilnvoid/wagtail,chrxr/wagtail,nealtodd/wagtail,nutztherookie/wagtail,torchbox/wagtail,kurtw/wagtail,torchbox/wagtail,zerolab/wagtail,kaedroho/wagtail,kurtw/wagtail