accessibility: Add ARIA labels to interactive elements

[cypriannwokolo2-creator]

Description

All interactive elements need proper ARIA labels for screen reader accessibility.

Requirements

• Audit all buttons, links, form elements
• Add aria-label where needed
• Add role attributes
• Test with screen readers

Acceptance Criteria

• All interactive elements have ARIA labels
• Screen reader testing passed
• WCAG 2.1 AA compliance
• Accessibility documentation updated

Priority

Medium