File _multibuild of Package kubevirt-image

<multibuild>
    <package>api</package>
    <package>controller</package>
    <package>exportproxy</package>
    <package>exportserver</package>
    <package>handler</package>
    <package>launcher</package>
    <package>operator</package>
    <package>pr-helper</package>
</multibuild>