Add titles and SEO configuration for all routes related to synonyms feature

[lpsinger]

Please add page titles and SEO configuration for all routes related to the synonyms feature. Add this at module scope to each route module:

export const handle: BreadcrumbHandle & SEOHandle = {
  breadcrumb: 'Correction',  // Replace with desired page title
  getSitemapEntries: () => null,  // Include this to exclude from site map (e.g. for admin pages)
}