[CentOS-docs] Introduction to be able to contribute to the wiki

[Phil Schaffner]

Phil Schaffner wrote:
...
> On the repo config - I'd suggest creating a separate CentOS-Testing.repo 
> rather than adding to the existing CentOS-Base.repo, and no need to 
> specify the editor (vim) and risk getting into religious arguments. :-)
...

Sorry for the self-reply - should have pointed out the existence of 
links to c5-testing configs on
http://wiki.centos.org/AdditionalResources/Repositories