chore(docs): add redirect for functions local-quickstart URL (supabase#37304)

Author: mandarini

apps/www/lib/redirects.js

@@ -1540,6 +1540,11 @@ module.exports = [
     source: '/docs/guides/functions/best-practices',
     destination: '/docs/guides/functions/quickstart',
   },
+  {
+    permanent: true,
+    source: '/docs/guides/functions/local-quickstart',
+    destination: '/docs/guides/functions/quickstart',
+  },
   {
     permanent: true,
     source: '/projects',