Add the missing file metadata.js
Add the missing file metadata.js

neumino/rethinkdbdash,JohnyDays/rethinkdbdash,tswayne/rethinkdbdash,andrerpena/rethinkdbdash,kulbirsaini/rethinkdbdash,mbroadst/rethinkdbdash,mbroadst/rethunk,adammcarth/rethinkdbdash,abhishekgahlot/rethinkdbdash,beni55/rethinkdbdash