Feature Dark Mode Added

[yazdanhaider]

Description

Added Dark Mode feature and improved the user interface. The application now automatically fetches the real-time date and time.

Fixes #127
Fixes #208

Type of change

Please delete options that are not relevant.

• Bug fix (non-breaking change)
• New feature (non-breaking change)
• Breaking change (fix or feature that would cause existing functionality to not work as expected)
• This change requires a documentation update

How Has This Been Tested?

Please describe the tests that you ran to verify your changes. Provide instructions so that they can be reproduced.

• Test A
• Test B

Checklist:

• My code follows the style guidelines of this project
• I have performed a self-review of my code
• I have commented my code, particularly in hard-to-understand areas
• I have made corresponding changes to the documentation
• My changes generate no new warnings
• Any dependent changes have been merged and published in downstream modules

[Anshgrover23]

@yazdanhaider your checks are failing currently try to run npm run format and npm run lint also kindly resolve conflicts. And tag me with the message review when it is ready.