Adding `vim` to containers

[tvami]

Can you please add vim to the cmssw-el8 container?

I know that vi is there already but vim should be small and also pretty basic. Thanks!

[cmsbuild]

cms-bot internal usage

[cmsbuild]

A new Issue was created by @tvami.

@aandvalenzuela, @iarspider, @smuzaffar can you please review it and eventually sign/assign? Thanks.

cms-bot commands are listed here

[smuzaffar]

type cc7

Looks like vim and vi are already available in el8 and el9. vim is missing for cc7 ( or el7) container