update README.md

Author: Rwing

README.md

@@ -1,2 +1,23 @@
 # node-csharp-random
 a random library like as Random Class of C#
+```
+var Random = require('node-csharp-random');
+
+var random = new Random(123);
+console.log(random.Next());
+random = new Random(0);
+console.log(random.Next());
+random = new Random(666666);
+console.log(random.Next());
+random = new Random(999999);
+console.log(random.Next());
+random = new Random(99999999);
+console.log(random.Next());
+console.log(random.Next(1, 99999999));
+console.log(random.Next(10, 20));
+console.log(random.Next(10));
+```
+
+![random-node](https://raw.githubusercontent.com/Rwing/Rwing-s-Repository/master/images/random-node.png)
+
+![random-csharp](https://raw.githubusercontent.com/Rwing/Rwing-s-Repository/master/images/random-csharp.png)