further bug fixes when using context path (#1475)

Co-authored-by: Anthony Stirling <77850077+Frooodle@users.noreply.github.com>

src/main/resources/templates/fragments/footer.html

@@ -3,7 +3,7 @@
     <div class="footer-powered-by">
       <span th:text="#{poweredBy} + ' Stirling PDF'"></span>
     </div>
-    <a href="licenses" id="licenses" target="_blank" class="mx-1" title="" th:text="#{licenses.nav}">Licenses</a>
+    <a th:href="@{'/licenses'}" id="licenses" target="_blank" class="mx-1" title="" th:text="#{licenses.nav}">Licenses</a>
     <a href="https://stirlingpdf.info/s/clwzgtfw7000gltkmwz1n212m" id="survey" target="_blank" class="mx-1" title="" th:text="#{survey.nav}">Survey</a>
   </div>
 </footer>