Add a mimetype for materials
Add a mimetype for materials

KDE/gluon,KDE/gluon,cgaebel/gluon,pranavrc/example-gluon,KDE/gluon,pranavrc/example-gluon,cgaebel/gluon,pranavrc/example-gluon,cgaebel/gluon,cgaebel/gluon,KDE/gluon,pranavrc/example-gluon