Implementing lua in hl2 mod

I am really bad at implementing stuff into my mod, so i was wondering how i could implement simple lua engine into my single playerhl2 mod. i want to just take this, and make sure i can add codes, i plan to make a platformer in hl2 single player and i need to get lua in my mod- thanks.

http://www.facepunch.com/showthread.php?t=896785