Add new screenshots

Add newest screenshots and edit appstream metainfo file.

Author: malfisya

data/io.github.malfisya.salam.metainfo.xml

@@ -3,7 +3,7 @@
   <id>io.github.malfisya.salam</id>
 
   <name>Salam</name>
-  <summary> A simple welcome app for Solus Operating System Resources</summary>
+  <summary> A simple welcome app for Solus Operating System</summary>
 
   <metadata_license>CC0-1.0</metadata_license>
   <project_license>MPL-2.0</project_license>
@@ -17,7 +17,13 @@
   <launchable type="desktop-id">salam.desktop</launchable>
   <screenshots>
     <screenshot type="default">
-      <image>https://raw.githubusercontent.com/malfisya/salam/refs/heads/main/data/salam-screenshot.png</image>
+      <image>https://raw.githubusercontent.com/malfisya/salam/refs/heads/main/data/salam-liveiso-page.png</image>
+    </screenshot>
+    <screenshot type="default">
+      <image>https://raw.githubusercontent.com/malfisya/salam/refs/heads/main/data/salam-firstsetup-page.png</image>
+    </screenshot>
+    <screenshot type="default">
+      <image>https://raw.githubusercontent.com/malfisya/salam/refs/heads/main/data/salam-donation-page.png</image>
     </screenshot>
   </screenshots>
 </component>

data/salam-donation page.png

@@ -1,6 +1,7 @@
 // SPDX-FileCopyrightText: Copyright © 2025 Muhammad Alfi Syahrin
 //
 // SPDX-License-Identifier: MPL-2.0
+
 use std::env;
 use std::process::Command;