fix img src and h3 tag missing value error

Author: Daniel1000c

weatherApp/index.html

@@ -52,8 +52,8 @@ <h2>Weather</h2>
 
                   <!--Create weather result container-->
                   <div class="weatherResult">
-                    <img src="" alt="Weather Status" id="weatherIcon">
-                    <h3 id="cityName"></h3>
+                    <img src="images/error.png" alt="Weather Status" id="weatherIcon">
+                    <h3 id="cityName" aria-live="polite">Loading...</h3>
                     <p id="temp"></p>
                     <p id="desc"></p>
                     <p id="hum"></p>