feat: add Home link to footer quick links section

- Added "Home" link as first item in footer quick links
- Routes to landing page (homepage)
- Added translations for all 4 languages:
  - English: "Home"
  - Romanian: "Acasă"
  - Spanish: "Inicio"
  - Italian: "Home"

Build: ✅ Successful

🤖 Generated with Claude Code

Co-Authored-By: Claude <noreply@anthropic.com>

components/layout/footer.tsx

@@ -116,6 +116,13 @@ export function Footer() {
             </Typography>
             <Box sx={{ display: 'flex', flexDirection: 'column', gap: 1 }}>
               {/* Static important links */}
+              <Button
+                color="inherit"
+                sx={{ justifyContent: 'flex-start', p: 0 }}
+                onClick={() => router.push(`/${locale}`)}
+              >
+                {t('footer.quickLinks.home')}
+              </Button>
               <Button
                 color="inherit"
                 sx={{ justifyContent: 'flex-start', p: 0 }}