chore: reorder lib root

src/lib.rs

@@ -1,10 +1,10 @@
 #![feature(pattern)]
 
-use std::mem::swap;
-
 pub mod parsers;
 pub mod template;
 
+use std::mem::swap;
+
 pub fn lcm(first: usize, second: usize) -> usize {
     first * second / gcd(first, second)
 }