Spring Boot with Spring Web Flow and Thymeleaf

Starter Spring Boot project with Spring Web Flow and Thymeleaf configured. I've been struggling with this one for quite some time until realized I've missed one line of code.

Well, I don't want you guys to waste time like I've done, so here you go :)

Thymeleaf configuration with Spring Webflow

What Thymeleaf says about integrating with Webflow is told on this page.