Update com.github.vikdevelop.timer.metainfo.xml

Author: vikdevelop

flatpak/com.github.vikdevelop.timer.metainfo.xml

@@ -1,17 +1,21 @@
 <?xml version="1.0" encoding="UTF-8"?>
 <component type="desktop">
+    
     <id>com.github.vikdevelop.timer</id>
     <launchable type="desktop-id">com.github.vikdevelop.timer.desktop</launchable>
     <name>Timer</name>
     <summary>Countdown time in Linux conveniently.</summary>
     <metadata_license>CC0-1.0</metadata_license>
     <project_license>GPL-3.0-or-later</project_license>
-    <developer>vikdevelop</developer>
+    <developer_name>vikdevelop</developer_name>
+    
     <description>
       <p>Countdown time in Linux conveniently.</p>
     </description>
+    
     <url type="homepage">https://github.com/vikdevelop/timer</url>
     <url type="bugtracker">https://github.com/vikdevelop/timer/issues</url>
+    
     <screenshots>
         <screenshot type="default">
             <image>https://raw.githubusercontent.com/vikdevelop/timer/main/img/timer1.png</image>
@@ -26,9 +30,16 @@
             <image>https://raw.githubusercontent.com/vikdevelop/timer/main/img/timer4.png</image>
         </screenshot>
     </screenshots>
+    
     <content_rating type="oars-1.1"/>
+    
+    <categories>
+        <category>Utilities</category>
+    </categories>
+    
     <releases>
         <release version="1.3" date="2021-11-02">
         </release>
   </releases>
+    
 </component>