Changing Queue to LinkedListQueue due to conflicts

Author: Ismael144

src/data_structures/mod.rs

@@ -44,4 +44,4 @@ pub use self::treap::Treap;
 pub use self::trie::Trie;
 pub use self::union_find::UnionFind;
 pub use self::veb_tree::VebTree;
-pub use self::queue_using_singly_linked_list::Queue;
+pub use self::queue_using_singly_linked_list::LinkedListQueue;