Removed redundant parenthesis from StackUtils.cs file and modified README.md file

Author: mohit-gogitter

DataStructures/Stack/StackUtils.cs

@@ -19,7 +19,7 @@ namespace DataStructures.Stack
 {
     public class StackUtils
     {
-        private static readonly Dictionary<char, char> parenthesesMap = new Dictionary<char, char>()
+        private static readonly Dictionary<char, char> parenthesesMap = new Dictionary<char, char>
         {
             { '(', ')' },
             { '{', '}' },
@@ -31,7 +31,6 @@ public class MinStack
         {
             private readonly Stack<int> mainStack;
             private readonly Stack<int> minStack;
-
 
 
             public MinStack()

README.md

@@ -242,6 +242,7 @@ find more than one implementation for the same objective but using different alg
     * [Array-based Stack](./DataStructures/Stack/ArrayBasedStack.cs)
     * [List-based Stack](./DataStructures/Stack/ListBasedStack.cs)
     * [Queue-based Stack](./DataStructures/Stack/QueueBasedStack.cs)
+    * [Stack Utils](./DataStructures/Stack/StackUtils.cs)
   * [Heap](./DataStructures/Heap)
     * [Min-Max Heap](./DataStructures/Heap/MinMaxHeap.cs)
     * [Binary Heap](./DataStructures/Heap/BinaryHeap.cs)