Added three.js jorney to feature projects.

index.html

@@ -115,6 +115,8 @@
 
 			<div id="projects">
 
+				<!-- January 2021 -->
+				<a href="https://threejs-journey.xyz/" target="_blank" rel="noopener"><img src="files/projects/threejs-journey.png" loading="lazy"/></a>
 				<!-- December 2020 (bis) -->
 				<a href="https://github.com/home" target="_blank" rel="noopener"><img src="files/projects/github.png" loading="lazy"/></a>
 				<!-- December 2020 -->