made changes in login/sign-up page

[Aditijainnn]

added sign-in page and made some changes

Issues Identification

Closes: #(issue number) #256

Description

Summary

Made changes in the form of sign up

added the close button so user can easily close
made the sign-in page which was not made earlier

Before changes

WhatsApp.Video.2024-10-07.at.17.15.17_27052a1a.mp4

After

Types of Changes

Please check the boxes that apply:

• Bugfix (non-breaking change that resolves an issue)
• New feature (non-breaking change that introduces new functionality)
• Breaking change (modification that may cause existing functionality to not work as expected)
• Documentation update (changes to documentation content)
• Other (please specify):

Checklist

Please ensure the following criteria are met:

• My code adheres to the project's style guidelines
• I have conducted a self-review of my code
• I have commented my code, especially in complex areas
• I have updated the documentation to reflect my changes
• My changes do not introduce new warnings
• My changes maintain the current system's functionality and pass all existing test cases
• I have added tests to verify the effectiveness of my fix or feature
• All new and existing unit tests pass locally with my changes

[github-actions]

Thank you, Aditijainnn, for creating this pull request and contributing to Resum-Resume! 💗

The maintainers will review this Pull Request and provide feedback as soon as possible! 😇
We appreciate your patience and contribution, Keep up the great work! 😀

[Aditijainnn]

@GarimaSingh0109 please review and merge my pr