Update Exercises Directory Names to Reflect Order

exercises/06_move_semantics/move_semantics2.rs

@@ -0,0 +1,26 @@
+// move_semantics2.rs
+//
+// Make the test pass by finding a way to keep both Vecs separate!
+//
+// Execute `rustlings hint move_semantics2` or use the `hint` watch subcommand
+// for a hint.
+
+// I AM NOT DONE
+
+#[test]
+fn main() {
+    let vec0 = vec![22, 44, 66];
+
+    let mut vec1 = fill_vec(vec0);
+
+    assert_eq!(vec0, vec![22, 44, 66]);
+    assert_eq!(vec1, vec![22, 44, 66, 88]);
+}
+
+fn fill_vec(vec: Vec<i32>) -> Vec<i32> {
+    let mut vec = vec;
+
+    vec.push(88);
+
+    vec
+}