support multi-file display for yaml format

[ywager]

Describe the feature

In the following example, multiple yamls are separated by --- characters

apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  creationTimestamp: '2022-12-09T04:33:56Z'
---
apiVersion: apiextensions.k8s.io/v1
kind: CustomResourceDefinition
metadata:
  creationTimestamp: '2022-12-09T04:33:56Z'

When I try to use multiple yaml files, I modify the yaml first, and the yaml is illegal at this time. When I restore it, the yaml still prompts that it is illegal. I am not sure whether it is because the writing of multiple yaml files is currently not supported.

Use Case

In our company's products, we use the yaml editor in ace to create k8s resources, and there may be multiple yamls in one editor.

Proposed Solution

No response

Other Information

No response

Acknowledgements

• [ ] I may be able to implement this feature request
• [ ] This feature might incur a breaking change

ACE version used

1.23.4

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