indication on how many salamanders on one id

screens/admin/SalamanderOverviewScreen.js

@@ -100,6 +100,9 @@ const SalamanderOverviewScreen = ({ navigation, route }) => {
           visible={showIndicator}
         />
         <View style={styles.previewContainer}>
+          <Text style={{ marginTop: 20, marginStart: 20 }}>
+            Number of salamanders: {imageNumber.length}
+          </Text>
           <TouchableWithoutFeedback onPress={() => modal()}>
             <Image
               style={{