Add link to the new_session route; add name for version_string route

lib/PostText.pm

@@ -140,13 +140,13 @@ sub startup($self) {
         $c->session(expires => 1);
 
         $c->redirect_to('threads_list');
-    });
+    })->name('new_session');
 
     # Hide a version string to check build later
     if (my $version = $self->config->{'version'}) {
         $r->get('/version', sub ($c) {
             $c->render(text => $version)
-        });
+        })->name('version_string');
     }
 
     # Static pages

templates/layouts/default.html.ep

@@ -93,6 +93,9 @@
 <%= content =%>
 <footer class="site-footer">
   <p>In UTF-8 we trust. 🫡</p>
+  <p><%= link_to new_session => begin %>
+    New Session/Identity
+  <% end %></p>
   <p><%= link_to javascript_page =>
          ('data-jslicense', 1),
          begin %>JavaScript License Information<% end %></p>