Added LU decomposition algorthim

Author: sourav-625

src/main/java/com/thealgorithms/matrix/LUDecomposition.java

@@ -14,7 +14,8 @@
  */
 public class LUDecomposition {
 
-    private LUDecomposition() {}
+    private LUDecomposition() {
+    }
 
     /**
      * A helper class to store both l and u matrices
@@ -99,4 +100,4 @@ public static void main(String[] args) {
         System.out.println("\nu matrix:");
         printMatrix(result.u);
     }
-}
+}