Add vim modeline to qa-sample.json
Add vim modeline to qa-sample.json

Vim doesn't recognize the format automatically.

Reviewed-by: ultrotter


apyrgio/snf-ganeti,mbakke/ganeti,mbakke/ganeti,ganeti/ganeti,mbakke/ganeti,apyrgio/ganeti,andir/ganeti,bitemyapp/ganeti,ganeti/ganeti,andir/ganeti,ganeti-github-testing/ganeti-test-1,yiannist/ganeti,leshchevds/ganeti,ganeti/ganeti,bitemyapp/ganeti,dimara/ganeti,onponomarev/ganeti,andir/ganeti,yiannist/ganeti,onponomarev/ganeti,leshchevds/ganeti,leshchevds/ganeti,grnet/snf-ganeti,yiannist/ganeti,apyrgio/snf-ganeti,grnet/snf-ganeti,apyrgio/ganeti,dimara/ganeti,ganeti-github-testing/ganeti-test-1