RFR: 8375243: Improve javafx.scene.layout package documentation [v2]

[John Hendrikx]

On Thu, 15 Jan 2026 00:00:18 GMT, Michael Strauß <mstrauss at openjdk.org> wrote:

>> This PR adds a paragraph about layout orientation to the `javafx.scene.layout` package documentation.
>
> Michael Strauß has updated the pull request incrementally with one additional commit since the last revision:
> 
>   changes

Marked as reviewed by jhendrikx (Reviewer).

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PR Review: https://git.openjdk.org/jfx/pull/2035#pullrequestreview-3663715936