[ci skip] Add gem version and coverage badges
[ci skip] Add gem version and coverage badges

JustMikey/virtus,solnic/virtus,XescuGC/virtus,baojjeu/virtus,macressler/virtus,reevoo/virtus,artemeff/virtus,dslh/virtus,mallikarjunayaddala/virtus,hapiben/virtus,faucct/virtus