fixed splash screen broken image icon

public/index.html

@@ -12,7 +12,7 @@
     <body>
         <div id="root">
             <div style="width: 100vw; height: 100vh; position: absolute; top: 0; left: 0; display: flex; justify-content: center; align-items: center">
-                <img src="leaf.svg" alt="eco-meet logo" style="width: 15%; height: 15%" />
+                <img src="%PUBLIC_URL%/leaf.svg" alt="eco-meet logo" style="width: 15%; height: 15%" />
             </div>
         </div>
     </body>