day 7 part 1

src/main.rs

@@ -11,6 +11,7 @@ fn main() {
         (4, day04::day_main),
         (5, day05::day_main),
         (6, day06::day_main),
+        (7, day07::day_main),
     ]);
     let day: Option<u8> = args().nth(1).and_then(|a| a.parse().ok());
     let Some(day) = day else {