Validate and Alert Users for Empty Form Submissions

[amantaphelix]

Fixes #444

Type of change

This pull request adds validation to notify users when they attempt to submit an empty form. The following changes were made:

Implemented a check in the handleEmailSubmit function to validate required fields.
Added validation in the handleSaveToDB function to ensure no required fields are left empty.
Displayed alert messages to inform users of missing required fields.
Please mark with an X the type that applies:

• [X ] Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Refactor code
• Documentation update
• Other (mentioned in the issue number)

Checklist

Please mark with an X the items that apply:

• [X ] My code follows the style guidelines of this project
• [X ] 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
• I have added tests that prove my fix is effective or that my feature works
• New and existing unit tests pass locally with my changes
• Any dependent changes have been merged and published in downstream modules

[vercel]

@amantaphelix is attempting to deploy a commit to the vansh69's projects Team on Vercel.

A member of the Team first needs to authorize it.

[github-actions]

Congratulations, Your pull request has been successfully merged 🥳🎉 Thank you for your contribution to the project 🚀 Keep Contributing!! ✨