fix: remove Jan prefix from blog post titles for better SEO

- Blog posts now use only frontmatter title without 'Jan -' prefix
- Other pages maintain existing branding (Jan Desktop, Jan Server, Jan)
- Improves SEO for blog content while preserving site branding

docs/theme.config.tsx

@@ -107,8 +107,9 @@ const config: DocsThemeConfig = {
   head: function useHead() {
     const { title, frontMatter } = useConfig()
     const { asPath } = useRouter()
-    const titleTemplate =
-      (asPath.includes('/desktop')
+    const titleTemplate = asPath.includes('/post/')
+      ? (frontMatter?.title || title)
+      : (asPath.includes('/desktop')
         ? 'Jan Desktop'
         : asPath.includes('/server')
           ? 'Jan Server'