DOC-2853 added doc code sample for count-min sketch (#285)

Author: andy-stark-redis

tests/Doc/Cms_tutorial.cs

@@ -0,0 +1,71 @@
+// EXAMPLE: cms_tutorial
+// HIDE_START
+
+using NRedisStack.CountMinSketch.DataTypes;
+using NRedisStack.RedisStackCommands;
+using NRedisStack.Tests;
+using StackExchange.Redis;
+
+// HIDE_END
+
+// REMOVE_START
+namespace Doc;
+[Collection("DocsTests")]
+// REMOVE_END
+
+// HIDE_START
+public class Cms_tutorial
+{
+
+    [SkipIfRedis(Is.OSSCluster)]
+    public void run()
+    {
+        var muxer = ConnectionMultiplexer.Connect("localhost:6379");
+        var db = muxer.GetDatabase();
+        //REMOVE_START
+        // Clear any keys here before using them in tests.
+        db.KeyDelete("bikes:profit");
+        //REMOVE_END
+        // HIDE_END
+
+
+        // STEP_START cms
+        bool res1 = db.CMS().InitByProb("bikes:profit", 0.001, 0.002);
+        Console.WriteLine(res1);    // >>> True
+
+        long res2 = db.CMS().IncrBy("bikes:profit", "Smoky Mountain Striker", 100);
+        Console.WriteLine(res2);    // >>> 100
+
+        long[] res3 = db.CMS().IncrBy("bikes:profit",
+            new Tuple<RedisValue, long>[]{
+                new Tuple<RedisValue, long>("Rocky Mountain Racer", 200),
+                new Tuple<RedisValue, long>("Cloudy City Cruiser", 150)
+            }
+        );
+        Console.WriteLine(string.Join(", ", res3)); // >>> 200, 150
+
+        long[] res4 = db.CMS().Query("bikes:profit", new RedisValue[] { "Smoky Mountain Striker" });
+        Console.WriteLine(string.Join(", ", res4)); // >>> 100
+
+        CmsInformation res5 = db.CMS().Info("bikes:profit");
+        Console.WriteLine($"Width: {res5.Width}, Depth: {res5.Depth}, Count: {res5.Count}");
+        // >>> Width: 2000, Depth: 9, Count: 450
+        // STEP_END
+
+        // Tests for 'cms' step.
+        // REMOVE_START
+        Assert.True(res1);
+        Assert.Equal(100, res2);
+        Assert.Equal("200, 150", string.Join(", ", res3));
+        Assert.Equal("100", string.Join(", ", res4));
+        Assert.Equal(2000, res5.Width);
+        Assert.Equal(9, res5.Depth);
+        Assert.Equal(450, res5.Count);
+        // REMOVE_END
+
+
+        // HIDE_START
+    }
+}
+// HIDE_END
+