Update DIRECTORY.md [skip actions]

Author: vil02

DIRECTORY.md

@@ -126,6 +126,7 @@
     * [Decremental Connectivity](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/decremental_connectivity.rs)
     * [Depth First Search](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/depth_first_search.rs)
     * [Depth First Search Tic Tac Toe](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/depth_first_search_tic_tac_toe.rs)
+    * [Detect Cycle](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/detect_cycle.rs)
     * [Dijkstra](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/dijkstra.rs)
     * [Dinic Maxflow](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/dinic_maxflow.rs)
     * [Disjoint Set Union](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/disjoint_set_union.rs)
@@ -144,7 +145,6 @@
     * [Tarjans Ssc](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/tarjans_ssc.rs)
     * [Topological Sort](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/topological_sort.rs)
     * [Two Satisfiability](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/two_satisfiability.rs)
-    * [Cycle Detection](https://github.com/TheAlgorithms/Rust/blob/master/src/graph/detect_cycle.rs)
   * [Lib](https://github.com/TheAlgorithms/Rust/blob/master/src/lib.rs)
   * Machine Learning
     * [Cholesky](https://github.com/TheAlgorithms/Rust/blob/master/src/machine_learning/cholesky.rs)