feat: update HTML structure and add logo for Weather App; remove unused SVG from WeatherCard

frontend/src/components/WeatherData.tsx

@@ -16,15 +16,6 @@ const WeatherData: React.FC = () => {
     <div className="flex justify-center items-center min-h-[60vh]">
       <div className="bg-white/90 p-10 rounded-2xl shadow-2xl min-w-[320px] text-center border-2 border-blue-200">
         <h2 className="text-3xl font-bold mb-2 text-blue-700 flex items-center justify-center gap-2">
-          <svg
-            className="w-7 h-7 text-blue-400"
-            fill="none"
-            stroke="currentColor"
-            strokeWidth="2"
-            viewBox="0 0 24 24"
-          >
-            <path d="M3 12a9 9 0 0118 0A9 9 0 013 12z" />
-          </svg>
           {weatherData?.name}
         </h2>
         <p className="text-5xl font-extrabold mb-2 text-blue-900">