make the app page use WPD and PCM screenshots

files/templates/app.html

@@ -1,18 +1,17 @@
 {% extends "default.html" %}
 {% block title %}
 <title>{{SITE_NAME}} - Mobile App</title>
-
 {% endblock %}
 
 {% block content %}
 <div class="ml-3 mt-4">
-	<b>How to download rDrama mobile app</b>
+	<b>How to download {{SITE_NAME}} mobile app</b>
 
 	<div class="font-weight-bold mt-4 mb-2">First step:</div>
-	<img onclick="expandDesktopImage()" alt="First step" style="height:30vh" src="/i/app1.webp">
+	<img onclick="expandDesktopImage()" alt="First step" style="height:30vh" src="/i/{{SITE_NAME}}/app1.webp">
 
 	<div class="font-weight-bold mt-4 mb-2">Second step:</div>
-	<img onclick="expandDesktopImage()" alt="Second step" style="height:30vh" src="/i/app2.webp">
+	<img onclick="expandDesktopImage()" alt="Second step" style="height:30vh" src="/i/{{SITE_NAME}}/app2.webp">
 </div>
 
 {% endblock %}