added(move_semantics): first possible solution, but no idea how to solve it differently ;///////////

exercises/move_semantics/move_semantics2.rs

@@ -9,6 +9,7 @@ fn main() {
 
     let mut vec1 = fill_vec(vec0);
 
+    let vec0 = vec1.clone();
     // Do not change the following line!
     println!("{} has length {} content `{:?}`", "vec0", vec0.len(), vec0);