feat(reader): Add support for touch screen swipe navigation

[lgarbarini]

Resolves #88 by adding swipe-left and swipe-right touch screen gestures (can be disabled in settings)

[vercel]

@lgarbarini is attempting to deploy a commit to the pacexy Team on Vercel.

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[lgarbarini]

@pacexy are you open to this sort of contribution?

[Copilot]

Pull Request Overview

This PR adds touch screen swipe navigation support for the reader app, allowing users to navigate between pages using swipe-left and swipe-right gestures. The feature can be toggled on/off in the settings interface.

• Adds swipe detection with visual feedback via gradient overlays
• Implements configurable swipe behavior with damping and resistance
• Provides a settings toggle to enable/disable swipe navigation

Reviewed Changes

Copilot reviewed 4 out of 4 changed files in this pull request and generated 3 comments.

File	Description
apps/reader/src/state.ts	Adds swipeEnabled setting with default value of false
apps/reader/src/components/pages/settings.tsx	Adds checkbox UI for toggling swipe navigation in settings
apps/reader/src/components/Reader.tsx	Implements comprehensive swipe detection, visual feedback, and page navigation logic
apps/reader/locales/en-US.ts	Adds localization strings for swipe navigation settings

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