Add Comprehensive Accessibility (A11y) Implementation

[godwinameh]

Issue: The application lacks critical accessibility features required for a real estate platform that should serve all users, including those with disabilities.

Business Impact:

• Legal compliance risks under ADA and other accessibility regulations
• Exclusion of potential users with disabilities (estimated 15% of population)
• Poor user experience affecting brand reputation
• Limited market reach and potential revenue loss

Technical Requirements:

• Conduct comprehensive accessibility audit using WCAG 2.1 AA standards
• Implement proper ARIA labels and semantic HTML structure
• Add keyboard navigation support for all interactive elements
• Ensure screen reader compatibility and testing
• Add focus management and skip navigation features
• Implement color contrast and visual accessibility improvements

Files: All UI components, especially property cards, forms, and navigation elements
Acceptance Criteria:

• WCAG 2.1 AA compliance achieved across all pages
• Full keyboard navigation support implemented
• Screen reader testing passed with JAWS, NVDA, and VoiceOver
• Color contrast ratios meet or exceed 4.5:1 for normal text
• Focus indicators visible and logical tab order implemented
• ARIA labels and descriptions properly implemented
• Accessibility testing integrated into CI/CD pipeline
• Accessibility statement and help documentation provided