bug: missing monitorAgent fields in CRDs (clusterInputs and Inputs) and wrong syntax in documentation

[antrema]

Describe the issue

When I launch the command make manifests, it modifies the CRDs (clusterInputs and Inputs)
When I launch the command make docs-update, it modifies the documentation

To Reproduce

launch the command make manifests and/or make docs-update

Expected behavior

Correct syntax

Your Environment

- Fluent Operator version:
- Container Runtime:
- Operating system:
- Kernel version:

How did you install fluent operator?

No response

Additional context

No response