devops : RPM Specs (#2723)

* Create llama-cpp.srpm

* Rename llama-cpp.srpm to llama-cpp.srpm.spec

Correcting extension.

* Tested spec success.

* Update llama-cpp.srpm.spec

* Create lamma-cpp-cublas.srpm.spec

* Create lamma-cpp-clblast.srpm.spec

* Update lamma-cpp-cublas.srpm.spec

Added BuildRequires

* Moved to devops dir