Collect Corsair PSU Statistics plugin data from API

[dgaglioni]

Is your feature request related to a problem?

Not related.

Describe the solution you'd like

Currently Corsair PSU Statistics plugin is not readable from Unraid API.

Describe alternatives you've considered

Get the PSU statistics manually from dashboard.

Additional context

Environment (if relevant)

Unraid OS Version:
7.2.3

Pre-submission Checklist

• [X ] I have searched existing issues to ensure this feature hasn't already been requested
• [X ] This is not an Unraid Connect related feature (if it is, please submit via the support form instead)
• [X ] I have provided clear examples or use cases for the feature