Adding troubleshooting note for DigitalOcean example.

Author: Oxyjun

src/content/docs/hyperdrive/examples/digital-ocean.mdx

@@ -4,7 +4,7 @@ summary: Connect Hyperdrive to a Digital Ocean database instance.
 pcx_content_type: example
 title: Connect to Digital Ocean
 sidebar:
-  order: 14
+  order: 7
 description: Connect Hyperdrive to a Digital Ocean database instance.
 ---
 
@@ -30,3 +30,7 @@ With the connection string, you can now create a Hyperdrive database configurati
 ## 2. Create a database configuration
 
 <Render file="create-hyperdrive-config" />
+
+:::note
+If you see a DNS-related error, it is possible that the DNS for your vendor's database has not yet been propagated. Try waiting 10 minutes before retrying the operation. Refer to [DigitalOcean support page](https://docs.digitalocean.com/support/why-does-my-domain-fail-to-resolve/) for more information.
+:::