Also why would learning lua scripting be any good?
Why are you asking to learn it, when you don't see any benefit in it ?
There's no supreme language, there are only use-cases in which one language is better suited than an other one. So, what is your use-case ?
When you need tutorials about lua,take a look at its homepage doc-section. Most often googling for "lua + problem" lead me to examples. Lua isn't really hard at all.