Validate Feedback Form

[shwetap3000]

Changes Introduced

• Added validation rules for form fields:
  • Name: must contain at least 3 characters
  • Feedback: must contain at least 10 characters
• Prevented form submission until all validation rules are satisfied

Fixes: #238

Purpose

Ensure that users provide meaningful input before submitting the feedback form.

[github-actions]

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[shwetap3000]

Hii @supriya46788 ..!!
Please review this and let me know if any improvements are needed.