### Description - Implement image upload and validation in the onboarding form. - Ensure only valid profile headshots are accepted. ### Current Behaviour - No image upload or image validation ### Expected Behaviour - Allow users to upload a profile image during onboarding. - Validate uploaded images to ensure: - Only one person is visible. - The face is clear and visible. - The image meets minimum coverage requirements. - Display clear **instructions** for image requirements. - Show **correct and incorrect examples** (to be confirmed by PM). - Provide **clear reasons** when the image is rejected.
