Adding kotlin-react implementation (#1913)

index.html

@@ -125,6 +125,9 @@
 								languages that compile to JavaScript.
 							</p>
 							<ul class="js-app-list-inner applist js">
+								<li class="routing">
+									<a href="examples/kotlin-react/" data-source="https://github.com/JetBrains/create-react-kotlin-app" data-content="Kotlin + React implementation uses Kotlin language in conjunction with React. Kotlin is designed to be an industrial-strength object-oriented language, and a 'better language' than Java, but still be fully interoperable with Java code, allowing companies to make a gradual migration from Java to Kotlin">Kotlin + React</a>
+								</li>
 								<li class="routing">
 									<a href="examples/spine/" data-source="http://spinejs.com" data-content="Spine is a lightweight framework for building JavaScript web applications. Spine gives you an MVC structure and then gets out of your way, allowing you to concentrate on the fun stuff, building awesome web applications.">Spine</a>
 								</li>