Fix and format metainfo

Author: Q1CHENL

io.github.Q1CHENL.fig.metainfo.xml

@@ -15,7 +15,7 @@
       <li>Insert GIF/image(s) at any position</li>
       <li>Change playback speed for specific frames</li>
       <li>Extract frames</li>
-      <li>Export GIF as video<li>
+      <li>Export GIF as video</li>
       <li>Play GIF at the original speed</li>
     </ul>
   </description>
@@ -24,23 +24,26 @@
   <developer_name>Qichen Liu</developer_name>
   <url type="homepage">https://github.com/Q1CHENL/fig</url>
   <releases>
-    <release version="1.0.4" date="2024-12-24"/>
+    <release version="1.0.4" date="2024-12-25">
       <description>
         <ul>
           <li>Export GIF as video</li>
           <li>Drag and drop to open image</li>
         </ul>
       </description>
-</releases>
-  <content_rating type="oars-1.1"/>
+    </release>
+  </releases>
+  <content_rating type="oars-1.1" />
   <launchable type="desktop-id">io.github.Q1CHENL.fig.desktop</launchable>
   <screenshots>
     <screenshot type="default">
-      <image type="source">https://raw.githubusercontent.com/Q1CHENL/fig/master/assets/screenshots/screenshot-home-split.png</image>
+      <image type="source">
+        https://raw.githubusercontent.com/Q1CHENL/fig/master/assets/screenshots/screenshot-home-split.png</image>
       <caption>Home Screen</caption>
     </screenshot>
     <screenshot type="default">
-      <image type="source">https://raw.githubusercontent.com/Q1CHENL/fig/master/assets/screenshots/screenshot-editor-split.png</image>
+      <image type="source">
+        https://raw.githubusercontent.com/Q1CHENL/fig/master/assets/screenshots/screenshot-editor-split.png</image>
       <caption>Editor Screen</caption>
     </screenshot>
   </screenshots>