Adjust packaging to use webpack
Adjust packaging to use webpack

This patch adjust the packaging .spec so that it runs "webpack" to
generate the files that should be part of the package.

Change-Id: I75be6e766cce4bcb13881e95e0fca43c0fc9147c
Signed-off-by: Juan Hernandez <59e5b8140de97cc91c3fb6c5342dce948469af8c@redhat.com>

oVirt/ovirt-engine-api-explorer,oVirt/ovirt-engine-api-explorer,oVirt/ovirt-engine-api-explorer,oVirt/ovirt-engine-api-explorer