DOC-2592 added doc code sample for Bloom filter (#283)

Author: andy-stark-redis

tests/Doc/Bf_tutorial.cs

@@ -0,0 +1,70 @@
+// EXAMPLE: bf_tutorial
+// HIDE_START
+
+using NRedisStack.RedisStackCommands;
+using NRedisStack.Tests;
+using StackExchange.Redis;
+
+// HIDE_END
+
+// REMOVE_START
+namespace Doc;
+[Collection("DocsTests")]
+// REMOVE_END
+
+// HIDE_START
+public class Bf_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:models");
+        //REMOVE_END
+        // HIDE_END
+
+
+        // STEP_START bloom
+        bool res1 = db.BF().Reserve("bikes:models", 0.01, 1000);
+        Console.WriteLine(res1);    // >>> True
+
+        bool res2 = db.BF().Add("bikes:models", "Smoky Mountain Striker");
+        Console.WriteLine(res2);    // >>> True
+
+        bool res3 = db.BF().Exists("bikes:models", "Smoky Mountain Striker");
+        Console.WriteLine(res3);    // >>> True
+
+        bool[] res4 = db.BF().MAdd("bikes:models", new RedisValue[]{
+            "Rocky Mountain Racer",
+            "Cloudy City Cruiser",
+            "Windy City Wippet"
+        });
+        Console.WriteLine(string.Join(", ", res4)); // >>> True, True, True
+
+        bool[] res5 = db.BF().MExists("bikes:models", new RedisValue[]{
+            "Rocky Mountain Racer",
+            "Cloudy City Cruiser",
+            "Windy City Wippet"
+        });
+        Console.WriteLine(string.Join(", ", res5)); // >>> True, True, True
+        // STEP_END
+
+        // Tests for 'bloom' step.
+        // REMOVE_START
+        Assert.True(res1);
+        Assert.True(res2);
+        Assert.True(res3);
+        Assert.Equal("True, True, True", string.Join(", ", res4));
+        Assert.Equal("True, True, True", string.Join(", ", res5));
+        // REMOVE_END
+
+
+        // HIDE_START
+    }
+}
+// HIDE_END
+