Advent of Code 2024 Day 5

Solving day 5 of AoC in Go.
I just went for the naive solution, using a hashmap in part2 for rules should speed it up and part1 must have a nice solution using topsort, I couldn't think of it; might add it to github later.
Cleaned up solution: github.com/atlas-editor/aoc/blob/main/2024/d05/x.go