01-tutorials - [Improve Zendesk documentation for openapis-into-mcp-oauth-enterprise-apis]

**Which component is impacted by this improvement?**
- [ ] 01-AgentCore-runtime
- [ x] 02-AgentCore-gateway
- [ ] 03-AgentCore-identity
- [ ] 04-AgentCore-memory
- [ ] 05-AgentCore-tools
- [ ] 06-AgentCore-observability
- [ ] 07-AgentCore-E2E

**Improvement Description**
```
The tutorial `01-tutorials/02-AgentCore-gateway/02-transform-apis-into-mcp-tools/01-transform-openapi-into-mcp-tools/02-openapis-into-mcp-oauth-enterprise-apis.ipynb` requires Zendesk for customers to follow along. However, there is no documentation on how to set up Zendesk to follow along. These instructions should be provided.
```