Add an editorconfig manifest (#1251)
Add an editorconfig manifest (#1251)

ISNIT0/ractive,aliprogrammer69/ractive,cgvarela/ractive,squaredup/ractive,marcalexiei/ractive,pingjiang/ractive,ISNIT0/ractive,aliprogrammer69/ractive,JonDum/ractive,ractivejs/ractive,ndimas/ractive,heavyk/ractive,JonDum/ractive,ndimas/ractive,ractivejs/ractive,Rich-Harris/ractive,cgvarela/ractive,magicdawn/ractive,Rich-Harris/ractive,squaredup/ractive,marcalexiei/ractive,squaredup/ractive,dyx/ractive,thomsbg/ractive,ndimas/ractive,thomsbg/ractive,p0lax/ractive,marcalexiei/ractive,dyx/ractive,aliprogrammer69/ractive,heavyk/ractive,Rich-Harris/ractive,cgvarela/ractive,pingjiang/ractive,ISNIT0/ractive,magicdawn/ractive,thomsbg/ractive,heavyk/ractive,JonDum/ractive,pingjiang/ractive,magicdawn/ractive,p0lax/ractive,ractivejs/ractive,dyx/ractive