chore: add contact admonition (#2378)

Author: vinckr

docs/self-hosted/oel/index.mdx

@@ -9,6 +9,13 @@ identity and access control software (Ory Hydra, Ory Kratos, Ory Keto, Ory Oathk
 mission-critical environments. It grants access to enterprise-grade features, dedicated support, and builds optimized for
 stability, security, and scalability.
 
+:::info
+
+Interested in the Ory Enterprise License?  
+[Contact us to discuss your requirements.](https://www.ory.sh/contact)
+
+:::
+
 ## When to use the Ory Enterprise License
 
 You should consider the Ory Enterprise License if your organization