Updated appdata file

Author: martinszeltins

data/lv.martinsz.millionaire.appdata.xml.in

@@ -1,9 +1,53 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
-	<id>lv.martinsz.millionaire.desktop</id>
+	<id>lv.martinsz.millionaire</id>
+    <name>Who Wants To Be a Millionaire</name>
+    <summary>Answer all questions to win $1 million.</summary>
+    <developer_name>Martins Zeltins</developer_name>
+    <launchable type="desktop-id">lv.martinsz.millionaire.desktop</launchable>
+    <update_contact>martins.zeltins@gmail.com</update_contact>
 	<metadata_license>CC0-1.0</metadata_license>
 	<project_license>GPL-2.0-or-later</project_license>
 	<description>
-	  <p>No description</p>
+	  <p>Test your knowledge to see if you can answer all questions and win $1 million. Have fun!</p>
+      <p>Created using these technologies</p>
+      <ul>
+        <li>GTK 4</li>
+        <li>Libadwaita</li>
+        <li>C</li>
+      </ul>
 	</description>
+    <requires>
+      <display_length compare="ge">small</display_length>
+    </requires>
+    <recommends>
+      <display_length compare="ge">small</display_length>
+    </recommends>
+    <content_rating type="oars-1.1"/>
+    <screenshots>
+      <screenshot>
+        <captionption>Screenshot of the game</captionption>
+        <image type="source">https://raw.githubusercontent.com/martinszeltins/who-wants-to-be-a-millionaire/master/data/resources/screenshots/screenshot1.png</image>
+      </screenshot>
+      <screenshot>
+        <caption>Multiple lifelines</caption>
+        <image type="source">https://raw.githubusercontent.com/martinszeltins/who-wants-to-be-a-millionaire/master/data/resources/screenshots/screenshot2.png</image>
+      </screenshot>
+      <screenshot>
+        <caption>Winning the game</caption>
+        <image type="source">https://raw.githubusercontent.com/martinszeltins/who-wants-to-be-a-millionaire/master/data/resources/screenshots/screenshot.jpg</image>
+    </screenshot>
+  </screenshots>
+  <url type="homepage">https://github.com/martinszeltins/who-wants-to-be-a-millionaire/</url>
+  <url type="bugtracker">https://github.com/martinszeltins/who-wants-to-be-a-millionaire/issues?q=is%3Aissue+is%3Aopen+sort%3Aupdated-desc</url>
+  <categories>
+    <category>Game</category>
+  </categories>
+  <releases>
+    <release version="1.0.0" date="2022-11-20">
+      <description>
+        <p>The very first release of Who Wants To Be a Millionaire.</p>
+      </description>
+    </release>
+  </releases>
 </component>