feat: add reverse scroll direction option

[AbdoWa7eed]

This commit introduces a new reverse property to the SimpleRulerPicker widget, allowing users to reverse the scroll direction.

[Copilot]

Pull Request Overview

This PR adds a new reverse property to the SimpleRulerPicker widget to allow users to reverse the scroll direction of the ruler picker. The change enables more flexible scrolling behavior based on user preference or design requirements.

• Adds a reverse boolean property to the widget with a default value of false
• Updates the documentation table to include the new property
• Minor formatting improvements to the README table

Reviewed Changes

Copilot reviewed 2 out of 2 changed files in this pull request and generated no comments.

File	Description
lib/simple_ruler_picker.dart	Adds the reverse property to the widget class and applies it to the ListView.builder
README.md	Updates version number and adds documentation for the new reverse property

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