added forgot password functionality

[ArshiBansal]

📝 Pull Request Description

Related Issue

Closes #281

Summary

Added a complete Forgot Password functionality to the authentication flow.

Changes included:

• Added "Forgot Password?" link in the Login page (aligned with Remember Me)
• Created a new ForgotPassword component with clean UI consistent with the existing design
• Implemented email validation and API integration for sending password reset link
• Added success state with confirmation message
• Included "Back to Login" navigation

This improves user experience by allowing users to recover their accounts easily.

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Type of Change

• 🐛 Bug fix (non-breaking change which fixes an issue)
• ✨ New feature
• ♻️ Refactoring
• 📝 Documentation update
• 🎨 UI/UX improvement
• 🔥 Other(please describe) ______

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How Has This Been Tested?

• Verified "Forgot Password?" link navigation from Login page
• Tested form validation (invalid/empty email)
• Checked API call to /auth/forgot-password endpoint
• Validated success state appearance after successful request
• Confirmed "Back to Login" functionality works from both form and success screen
• Tested responsive design on mobile and desktop

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Screenshots (if applicable)

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Checklist

• My code follows the project's guidelines
• I have tested my changes
• I have updated documentation where necessary
• I have linked the related issue
• My changes do not introduce new warnings or errors