Add RecyclableSortedSet and long list sort extensions

Recyclable.Collections/RecyclableLongList.Compatibility.List.Sorted.cs

@@ -0,0 +1,39 @@
+using System.Runtime.CompilerServices;
+using System.Collections.Generic;
+using Recyclable.Collections.Linq;
+
+namespace Recyclable.Collections
+{
+    [Obsolete("It'll be moved to Recyclable.Collections.Compatibility.List NuGet package in the next release.")]
+    public static class zRecyclableLongListCompatibilityListSorted
+    {
+        public static void Sort<T>(this RecyclableLongList<T> list)
+        {
+            QuickSortExtensions<T>.QuickSort(list);
+            list._version++;
+        }
+
+        public static void Sort<T>(this RecyclableLongList<T> list, Comparison<T> comparison)
+        {
+            QuickSortExtensions<T>.QuickSort(list, new ComparisonToComparerAdapter<T>(comparison), new SystemRandomNumberGenerator());
+            list._version++;
+        }
+
+        public static void Sort<T>(this RecyclableLongList<T> list, IComparer<T>? comparer)
+        {
+            QuickSortExtensions<T>.QuickSort(list, comparer ?? Comparer<T>.Default, new SystemRandomNumberGenerator());
+            list._version++;
+        }
+
+        public static void Sort<T>(this RecyclableLongList<T> list, long index, long count, IComparer<T>? comparer)
+        {
+            if (count == 0)
+            {
+                return;
+            }
+
+            QuickSortExtensions<T>.QuickSort(list, (int)index, (int)(index + count - 1), comparer ?? Comparer<T>.Default, new SystemRandomNumberGenerator());
+            list._version++;
+        }
+    }
+}