DOC-3933: final 8 tabbed code examples (#2784)

doctests/dt-cuckoo.js

@@ -0,0 +1,38 @@
+// EXAMPLE: cuckoo_tutorial
+// HIDE_START
+import assert from 'assert';
+import { createClient } from 'redis';
+
+const client = createClient();
+await client.connect();
+// HIDE_END
+
+// REMOVE_START
+await client.flushDb();
+// REMOVE_END
+
+// STEP_START cuckoo
+const res1 = await client.cf.reserve('bikes:models', 1000000);
+console.log(res1);  // >>> OK
+
+const res2 = await client.cf.add('bikes:models', 'Smoky Mountain Striker');
+console.log(res2);  // >>> 1
+
+const res3 = await client.cf.exists('bikes:models', 'Smoky Mountain Striker');
+console.log(res3);  // >>> 1
+
+const res4 = await client.cf.exists('bikes:models', 'Terrible Bike Name');
+console.log(res4);  // >>> 0
+
+const res5 = await client.cf.del('bikes:models', 'Smoky Mountain Striker');
+console.log(res5);  // >>> 1
+// STEP_END
+
+// REMOVE_START
+assert.equal(res1, 'OK')
+assert.equal(res2, true)
+assert.equal(res3, true)
+assert.equal(res4, false)
+assert.equal(res5, true)
+await client.quit();
+// REMOVE_END