Update content/get-involved.html

Co-authored-by: Cristiano Aguzzi <[email protected]>

Author: egekorkan

content/get-involved.html

@@ -13,7 +13,7 @@ <h1>Get involved</h1>
 
 </p>
 <p>
-You can pick one of the Eclipse Thingweb components such as node-wot or playground and start using them.
+You can pick one of the Eclipse Thingweb components such as <a href="https://github.com/eclipse-thingweb/node-wot">node-wot</a> or <a href="https://github.com/eclipse-thingweb/playground">playground</a> and start using them.
 Even better, you can contribute to their source code!
 Below are some examples of what you can contribute with:
 </p>