Share link hotfix (#1513)

packages/web/public/robots.txt

@@ -0,0 +1,5 @@
+User-agent: *
+Allow: /
+
+# Disallow shared content pages
+Disallow: /s/

packages/web/src/pages/s/[id].astro

@@ -71,7 +71,7 @@ const ogImage = `${config.socialCard}/opencode-share/${encodedTitle}.png?model=$
         tag: "meta",
         attrs: {
           name: "robots",
-          content: "noindex",
+          content: "noindex, nofollow, noarchive, nosnippet",
         }
       },
       {