add missing to top button

bwreg-webapp/src/main/webapp/template/layout-template.xhtml

@@ -52,7 +52,7 @@
 			</div>
 		</section>
 	</main>
-    
+    <button class="to-top-button" aria-label="scroll back to top"></button>   
 </h:body>
 
 </f:view>