az connection preview-configuration | no examples given in reference content

### Describe the bug

### Bug category:
**Missing information**

### Request:

The [Azure CLI reference guidelines](https://github.com/Azure/azure-cli/blob/dev/doc/reference_doc_guidelines.md#examples) specifiy at least two examples for each command. Please review the Azure CLI reference guidelines for [examples](https://github.com/Azure/azure-cli/blob/dev/doc/reference_doc_guidelines.md#examples) and [parameters](https://github.com/Azure/azure-cli/blob/dev/doc/reference_doc_guidelines.md#parameters) and add missing content to your source code.

If a parameter accepts JSON content, provide a JSON example in the parameter long or short summary, or in a separate code block.

### Command list without examples:

| Reference name | Parameter count | is Create |
|-|-|-|
| [az connection preview-configuration app-insights](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-app-insights) | 2 | |
| [az connection preview-configuration appconfig](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-appconfig) | 4 | |
| [az connection preview-configuration confluent-cloud](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-confluent-cloud) | 2 | |
| [az connection preview-configuration cosmos-cassandra](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-cosmos-cassandra) | 4 | |
| [az connection preview-configuration cosmos-gremlin](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-cosmos-gremlin) | 4 | |
| [az connection preview-configuration cosmos-mongo](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-cosmos-mongo) | 4 | |
| [az connection preview-configuration cosmos-sql](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-cosmos-sql) | 4 | |
| [az connection preview-configuration cosmos-table](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-cosmos-table) | 4 | |
| [az connection preview-configuration eventhub](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-eventhub) | 4 | |
| [az connection preview-configuration keyvault](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-keyvault) | 3 | |
| [az connection preview-configuration mysql](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-mysql) | 2 | |
| [az connection preview-configuration mysql-flexible](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-mysql-flexible) | 3 | |
| [az connection preview-configuration postgres](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-postgres) | 3 | |
| [az connection preview-configuration postgres-flexible](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-postgres-flexible) | 3 | |
| [az connection preview-configuration redis](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-redis) | 2 | |
| [az connection preview-configuration redis-enterprise](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-redis-enterprise) | 2 | |
| [az connection preview-configuration servicebus](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-servicebus) | 4 | |
| [az connection preview-configuration signalr](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-signalr) | 4 | |
| [az connection preview-configuration sql](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-sql) | 3 | |
| [az connection preview-configuration storage-blob](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-storage-blob) | 4 | |
| [az connection preview-configuration storage-file](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-storage-file) | 2 | |
| [az connection preview-configuration storage-queue](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-storage-queue) | 4 | |
| [az connection preview-configuration storage-table](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-storage-table) | 4 | |
| [az connection preview-configuration webpubsub](https://docs.microsoft.com/cli/azure/connection/preview-configuration#az-connection-preview-configuration-webpubsub) | 4 | |

### Related command

az connection preview-configuration

### Errors

n/a

### Issue script & Debug output

n/a

### Expected behavior

n/a

### Environment Summary

Azure CLI 2.63.0

### Additional context

_No response_