docs: Outline Jsonnet language (#19410)

This PR adds a basic documentation about the Jsonnet language support.

Release Notes:

- N/A

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Co-authored-by: Marshall Bowers <elliott.codes@gmail.com>

Vladimir Varankin committed 1y ago

64a6e9cafb23c9a68721b1454d36a0ee311ff906

Parent: fa738ee

Committed by GitHub <noreply@github.com> on 10/18/2024, 6:20:15 PM