Add solution for "Day 3: Lobby", part 2

tests/examples.rs

@@ -27,7 +27,7 @@ fn gift_shop() {
 #[test]
 fn lobby() {
     assert_eq!(
-        Ok((357, 0)),
+        Ok((357, 3121910778619)),
         solvers::run_solver(solvers::lobby::Lobby {}, &EXAMPLE_PATHS)
     );
 }

tests/full_data.rs

@@ -22,7 +22,7 @@ fn gift_shop() {
 #[test]
 fn lobby() {
     assert_eq!(
-        Ok((17144, 0)),
+        Ok((17144, 170371185255900)),
         solvers::run_solver(solvers::lobby::Lobby {}, &solvers::DATA_PATHS)
     );
 }