fix(docs): use real D1 database UUID in wrangler.jsonc

Cloudflare Pages publish was failing with error 8000022 (Invalid database
UUID) because database_id held the database name instead of its UUID.

Author: amondnet

docs/wrangler.jsonc

@@ -8,7 +8,7 @@
     {
       "binding": "DB",
       "database_name": "pleaseai-code-style-db",
-      "database_id": "pleaseai-code-style-db"
+      "database_id": "33e0d9c6-157a-4662-a45a-b99a970e25aa"
     }
   ]
 }