Add home icon to share boxes

Add a home icon to the share boxes and link it to the homepage.

src/components/SocialShare.tsx

@@ -2,7 +2,7 @@ import React, { useState, useEffect } from 'react';
 import { Button } from '@/components/ui/button';
 import { Card, CardContent } from '@/components/ui/card';
 import { Dialog, DialogContent, DialogHeader, DialogTitle, DialogTrigger } from '@/components/ui/dialog';
-import { Share2, Copy, QrCode, Twitter, Facebook, Linkedin } from 'lucide-react';
+import { Share2, Copy, QrCode, Twitter, Facebook, Linkedin, Home } from 'lucide-react';
 import { useToast } from '@/hooks/use-toast';
 import QRCode from 'qrcode';
 import { validateShareData, rateLimiter } from '@/utils/security';
@@ -204,6 +204,17 @@ const SocialShare: React.FC<SocialShareProps> = ({
               </div>
             </DialogContent>
           </Dialog>
+          
+          {/* Home button */}
+          <Button
+            variant="outline"
+            size="sm"
+            onClick={() => window.location.href = '/'}
+            className="flex items-center gap-2"
+          >
+            <Home className="w-4 h-4" />
+            <span className="hidden sm:inline">Home</span>
+          </Button>
         </div>
       </div>
     </div>