feat: configured dark theme for wallet page

[jassBawa]

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Pull Request Title

This PR adds darkmode support to wallet page. Also improving the UI with simple and minimal animations.

Issue Number: Fixes #220 (issue number)

🛠️ Type of Change

• 🐛 Bug fix
• ✨ New feature
• 🚨 Breaking change
• 📚 Documentation update

✅ Checklist

To ensure a smooth review process, please check off each item as you complete it:

• Code Style: My code adheres to the project’s style guidelines.
• Self-Review: I have reviewed my own code and made improvements.
• Comments: I’ve added comments to explain complex or non-obvious parts of the code.
• Documentation: I’ve updated the documentation to reflect my changes.
• Warnings: My changes introduce no new warnings.
• Tests: I’ve added tests to verify that my changes work as expected.
• Passes Locally: All new and existing unit tests pass on my local machine.

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Here is the video for ui reference

Tiplink-review.vide.mp4

[jassBawa]

@cb7chaitanya @Rudra-Sankha-Sinhamahapatra will you please review this pr.

The question that may arise for layout file is that i have removed duplicate lines and added themeprovider to it

[Rudra-Sankha-Sinhamahapatra]

Already someone was working on the issue
He has already raised a PR