First attempt to remove JSP and move to Thymeleaf and update to Spring Boot. The Thymeleaf templates can be loaded as snippets which makes it more easy to move away from ECS and create normal HTML pages for a lesson.

webgoat-container/src/main/java/org/owasp/webgoat/HammerHead.java

@@ -204,7 +204,7 @@ public class HammerHead extends HttpServlet {
 
     private String getViewPage(WebSession webSession) {
         // now always display the lesson content
-        String page = "/lesson_content.jsp";
+        String page = "lesson_content";
         //page = "/main.jsp";
         return page;
     }