feat: add new changes

Author: daudix

data/com.github.GradienceTeam.Gradience.appdata.xml.in.in

@@ -34,11 +34,13 @@
     </screenshot>
   </screenshots>
   <releases>
-    <release version="0.3.3" date="2022-12-4" type="stable"><description>
+    <release version="0.3.3" date="2022-12-3" type="stable"><description>
         <p>Gradience 0.3.3 release is a minor translations update and UI improvement release:</p>
         <ul>
           <li>Theme Preview button enabled back</li>
+          <li>The Firefox GNOME theme plugin now parses profiles from profiles.ini</li>
           <li>The Firefox GNOME theme plugin settings button moved to the right of the switch</li>
+          <li>The internal structure were refactored</li>
           <li>Details tab in About dialog has been improved</li>
           <li>The "Log out" dialog logic have been changed, now it only asks for logout, but does not provide a button to logout</li>
           <li>Updated translations</li>