day 5 part 1

src/main.rs

@@ -9,6 +9,7 @@ fn main() {
         (2, day02::day_main),
         (3, day03::day_main),
         (4, day04::day_main),
+        (5, day05::day_main),
     ]);
     let day: Option<u8> = args().nth(1).and_then(|a| a.parse().ok());
     let Some(day) = day else {