creaing the project in darkmode,provide a "button" for darkmode and make project in darkmode as well

[Arisha2902]

Description

will create a "darkmode" botton in navbar,which will change the background to black.

It do will change the backroung to black but I will also assign a theme to whole website for all pages,I will give same hover effect and box shdow effect in dark mode also for all pages.

Things I will do:-

create a "Darkmode " Buttton. 2)Create a dark mode for all pages. 3)make hover and transition effect to all cards and items(items which have hover or any other effect now will have effect in darkmode also). screenshot is for blue theme but if you want it can be in red theme as well..

https://github.com/user-attachments/assets/3dcf6f91-912a-4d79-b36b-28a2925714fb

Screenshots

No response

Checklist

• [X] I have checked the existing issues
• [X] I have read the Contributing Guidelines
• [X] I'm a GSSoC'24-Extd contributor
• [X] I'm a Hacktoberfest'24 contributor
• [X] I am willing to work on this issue (optional)

[Arisha2902]

If you have not merged the "Darkmode" conflict, then plz see to my video of darkmode I can make it better.