Add meta tag setting in showPartnerSites function to enhance SEO and improve page metadata management.

src/app.cpp

@@ -1412,6 +1412,7 @@ void App::addTimeoutView() {
 }
 
 void App::showPartnerSites() {
+    setMetaTags();
     contentContainer_->clear();
     contentContainer_->setOverflow(Wt::Overflow::Auto);
     auto linkContainer = contentContainer_->addNew<Wt::WContainerWidget>();