Moving PvP scoreboard

Hi there!

I was looking for addon that will make me be able to move "PvP objectives + score" frame located on middle top screen.

Since I don't wanna use MoveAnything for this simple action, I decided to write my own, first addon.

Can someone help me, where to start and what to do?

I have basic knoweledge of C, Perl and php, so getting into Lua won't be a problem.

Thank you!