feat: Added the Invert LED effect for transfer to the LED badge.

Reviewer's Guide by Sourcery

This PR implements an Invert LED effect feature for LED badge displays. The implementation adds the ability to invert LED states (on/off) through a new boolean parameter isInverted that flows through the message conversion pipeline. The inversion is performed by converting hex values to binary, flipping the bits, and converting back to hex.

Updated class diagram for Converters

classDiagram
    class Converters {
        +Future<List<String>> messageTohex(String message, bool isInverted)
        +static String invertHex(String hex)
    }
    note for Converters "Added isInverted parameter to messageTohex and invertHex method"

Updated class diagram for AnimationBadgeProvider

classDiagram
    class AnimationBadgeProvider {
        +void badgeAnimation(String message, Converters converters, bool isInverted)
    }
    note for AnimationBadgeProvider "Added isInverted parameter to badgeAnimation method"

Updated class diagram for SavedBadgeProvider

classDiagram
    class SavedBadgeProvider {
        +Future<Data> getBadgeData(String text, bool flash, bool marq, bool isInverted, Speed speed, Mode mode)
    }
    note for SavedBadgeProvider "Added isInverted parameter to getBadgeData method"

File-Level Changes

Change	Details	Files
Added hex inversion functionality for LED display	Implemented invertHex method to flip bits in hexadecimal values Added isInverted parameter to messageTohex method Modified message conversion logic to apply inversion when needed	`lib/bademagic_module/utils/converters.dart`
Updated providers to support LED inversion	Added isInverted parameter to data generation methods Modified badge animation logic to handle inverted states Updated data transfer methods to include inversion parameter	`lib/providers/badge_message_provider.dart` `lib/providers/animation_badge_provider.dart` `lib/providers/saved_badge_provider.dart`
Integrated invert LED effect into UI components	Added InvertLEDEffect handling in effects container Updated home screen to handle inverted LED states Modified save badge functionality to support inversion	`lib/view/widgets/effects_container.dart` `lib/view/homescreen.dart` `lib/view/widgets/save_badge_card.dart` `lib/badge_effect/invert_led_effect.dart`

Possibly linked issues

#1064: The PR implements the Invert LED effect logic requested in the issue.
#1064: The PR addresses the Invert LED feature, which is related to the issue's alignment problem.

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fossasia / badgemagic-android