add C# insert in InsertioneSort

basic/sorting/InsertionSort/InsertionSort.cs

@@ -0,0 +1,38 @@
+using System.Diagnostics;
+using static System.Console;
+namespace Pro;
+public class Program
+{
+    public static void Main()
+    {
+        int[] test = new int[]{31,12,10,5,6,7,8,10,23,34,56,43,32,21};
+        InsertSortNums(test);
+        foreach (var item in test)
+        {
+            WriteLine(item);   
+        }
+    }
+    public static void InsertSortNums(int[] nums)
+    {
+        for(int initial = 1; initial < nums.Length; initial++)
+        {
+            WriteLine($"initial {initial} start");
+            for(int second_sort = 0; second_sort < initial; second_sort++)
+            {
+                WriteLine($"second {second_sort} start");
+                if(nums[second_sort] > nums[initial])
+                {
+                    swap(ref nums[second_sort], ref nums[initial]);
+                    WriteLine($"swap index is {second_sort}");
+                }
+            }
+        }
+    }
+
+    private static void swap(ref int compare_left, ref int compare_right)
+    {
+        int temp = compare_left;
+        compare_left = compare_right;
+        compare_right = temp;
+    }
+}