feat: rebrand app to Haver with Hebrew meaning in About section

src/app/page.tsx

@@ -193,7 +193,7 @@ export default function Home() {
             </div>
           </div>
 
-          <h1 className="text-2xl font-bold text-white mb-2 animate-pulse">Prayer Journal</h1>
+          <h1 className="text-2xl font-bold text-white mb-2 animate-pulse">Haver</h1>
           <p className="text-gray-400 text-lg mb-4">Preparing your sacred space...</p>
 
           <div className="max-w-xs mx-auto">