Add ru version (#1865)

* Add Russian docs site baseline

* Add Russian localized codebase

* Polish Russian code wording

* Update ru code translation.

* Update code translation and chapter covers.

* Fix pythontutor extraction.

* Add README and landing page.

* placeholder of profiles

* Use figures of English version

* Remove chapter paperbook

ru/codes/csharp/chapter_hashing/built_in_hash.cs

@@ -0,0 +1,36 @@
+/**
+* File: built_in_hash.cs
+* Created Time: 2023-06-26
+* Author: hpstory (hpstory1024@163.com)
+*/
+
+namespace hello_algo.chapter_hashing;
+
+public class built_in_hash {
+    [Test]
+    public void Test() {
+        int num = 3;
+        int hashNum = num.GetHashCode();
+        Console.WriteLine("Хеш-значение целого числа " + num + " = " + hashNum);
+
+        bool bol = true;
+        int hashBol = bol.GetHashCode();
+        Console.WriteLine("Хеш-значение булева значения " + bol + " = " + hashBol);
+
+        double dec = 3.14159;
+        int hashDec = dec.GetHashCode();
+        Console.WriteLine("Хеш-значение десятичного числа " + dec + " = " + hashDec);
+
+        string str = "Hello Algo";
+        int hashStr = str.GetHashCode();
+        Console.WriteLine("Хеш-значение строки " + str + " = " + hashStr);
+
+        object[] arr = [12836, "Сяо Ха"];
+        int hashTup = arr.GetHashCode();
+        Console.WriteLine("Хеш-значение массива [" + string.Join(", ", arr) + "] = " + hashTup);
+
+        ListNode obj = new(0);
+        int hashObj = obj.GetHashCode();
+        Console.WriteLine("Хеш-значение объекта узла " + obj + " = " + hashObj);
+    }
+}