fix open graph image and adding hardening dock to community

lib/navigation.json

@@ -321,6 +321,7 @@
             "self-host/community-guides/homeassistant",
             "self-host/community-guides/middlewaremanager",
             "self-host/community-guides/traefiklogsdashboard",
+            "self-host/community-guides/traefik-hardening",
             "self-host/community-guides/geolite2automation"
           ]
         },

lib/shared.ts

@@ -7,7 +7,6 @@ export const siteDescription =
 
 /** docs are served from the site root, same URLs as the old Mintlify site */
 export const docsRoute = '/';
-export const docsImageRoute = '/og';
 export const docsContentRoute = '/llms.mdx';
 
 export const gitConfig = {
@@ -27,14 +26,6 @@ export function getPageMarkdownUrl(page: { slugs: string[]; locale?: string }) {
   return { segments, url: getContentUrl(segments, page.locale) };
 }
 
-const getImageUrl = createGetUrl(docsImageRoute);
-
-export function getPageImageUrl(page: { slugs: string[]; locale?: string }) {
-  const segments = [...page.slugs, 'image.png'];
-
-  return { segments, url: getImageUrl(segments, page.locale) };
-}
-
 /**
  * The Mintlify site was light-only (`appearance.strict`). Flip this to enable the
  * theme switch; the dark palette in `app/global.css` is ready for it.