Enhance TMT testing for centos-stream

To enable running public tests weekly for centos-stream

It is needed to have ci.fmf and .fmf dir in vim centos-stream repo

https://gitlab.com/redhat/centos-stream/rpms/vim

Example of component with enabled centos-stream weekly testing

FRR:
https://gitlab.com/redhat/centos-stream/rpms/frr

or

CYRUS-IMAPD
https://gitlab.com/redhat/centos-stream/rpms/cyrus-imapd

After this done, public fedora tests are weekly run on centos-stream
https://dashboard.osci.redhat.com/#/sst/sst_cs_infra_services/centos-public-weekly

and the tests are run during MR in centos-stream