Big item description standardization & update

I'm about to attempt to make a mod which standardizes templating for items, as well as brings it around to 2018. It ought to make the game more accessible to potential new players, and clear things up for old players as well. It's often pretty difficult to tell what things even do. This can be helped, and I'll do it.

I just need one thing cleared up by people with more modding experience. How do I actually DO this? I've downloaded Near Infinity and it seems pretty straightforward, but are there things to look out for? I'm just looking to go through the descriptions for items, how do I make my changes a distributable mod?

Thanks in advance