feat: add cannonical url to header

Author: RobinTheHood

src/Classes/ViewModels/ModuleViewModel.php

@@ -235,6 +235,12 @@ public function isChanged(): bool
         return $this->module->isChanged();
     }
 
+    public function getCanonicalUrl(): string
+    {
+        return MMLC_ROOT . $this->module->getArchiveName();
+    }
+
+
     /**
      * @param string $action
      * @param string $ref

src/Templates/Head.tmpl.php

@@ -16,6 +16,7 @@
 <?php } else { ?>
     <title><?= $moduleView->getName() ?> - 📦 Modul fürs modified Shop System</title>
     <meta name="description" content="<?= $module->getShortDescription() ?>"/>
+    <link rel="canonical" href="<?= $moduleView->getCanonicalUrl() ?>" />
 <?php } ?>
 
 <?php