PAINTROID-787: "Tip of the day" for Paintroid features

[SakshhamTheCoder]

Jira Ticket - PAINTROID-787

Added a new Tip of the Day dialog to inform the users about new features and also give them insights in already existing ones. Uses SharedPreferences to save the tip index and enable/disable tip flag.

New Features and Enhancements

• Implemented a new Tip of the Day dialog which follows the design guidelines given on Jira Ticket
• Next tip is shown each time the app is opened
• Implemented the ability for users to enable/disable the tips on startup. It can be accessed by the overflow menu on the landing page
• Added the animated light bulb gif made from the given .lottie file to the app assets folder

Demo Video

Recording.2025-03-29.204115.mp4

Checklist

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[bakicelebi]

Please use the default 80 character limit.

[bakicelebi]

This ticket is for Kotlin Native and is low prio for the Flutter port of the app.