Add Hello World code example

code/dulcetti.js

@@ -0,0 +1,18 @@
+class Beer {
+  constructor(name = 'Dulcetti', beerName = 'Karmeliet') {
+    this.name = name;
+    this.beerName = beerName;
+  }
+
+  sayHello() {
+    console.info(`Hello, ${ this.name }. Do you wanna a ${ this.beerName }?`)
+  }
+}
+
+// Hello with modified infos
+const myInfos = new Beer('Bruno', 'Duvel');
+myInfos.sayHello();
+
+// Hello with default infos
+const defaultBeer = new Beer();
+defaultBeer.sayHello();