For fun, and because I wanted to build some super-simple web application so that I would have an excuse to put together a barebones version of code that can drive a super-simple React/Node app powered by API and database integrations.
That's the neat thing - you don't! Good, clean tools are opinionated to prevent bloat. This tool is of the opinion that adding modifiers to dice rolls heavily clutters to the interface without any discernible value - especially given how the modifier changes for nearly every roll. You'll just have to add those +3s in your head, my friend.
Sure thing, here's the GitHub.