Feat: Enhance User Experience with Comprehensive Animation Features Across the Flutter Application

### Describe the feature

These features include smooth page transitions, fade animations, button interactions, and more, providing a more engaging and visually appealing interface.

__Enhancements:__
-__User Experience:__ Significantly improves the overall user experience with smooth and engaging animations, making the app more enjoyable to use.
-__Visual Appeal:__ Adds a layer of visual polish to the app, making it more modern, attractive, and professional.
-__Interactivity:__ Enhances user interactions with subtle animations, providing immediate visual feedback and improving the intuitive feel of the app.

### Record

- [X] I agree to follow this project's Code of Conduct
- [X] I'm a GSSOC'24 contributor
- [X] I want to work on this issue