Update AppStream metadata

Add launchable, vcs-browser url and translate url tags

Also add a developer tag

Author: AsciiWolf

data/dev.tchx84.Portfolio.metainfo.xml.in

@@ -39,9 +39,15 @@
   </screenshots>
   <!-- TRANSLATORS: Don't translate this text -->
   <developer_name>Martin Abente Lahaye</developer_name>
+  <developer id="dev.tchx84">
+    <name translatable="no">Martin Abente Lahaye</name>
+  </developer>
   <update_contact>[email protected]</update_contact>
+  <launchable type="desktop-id">dev.tchx84.Portfolio.desktop</launchable>
   <url type="homepage">https://github.com/tchx84/Portfolio</url>
   <url type="bugtracker">https://github.com/tchx84/Portfolio/issues</url>
+  <url type="vcs-browser">https://github.com/tchx84/Portfolio</url>
+  <url type="translate">https://github.com/tchx84/Portfolio/tree/master/po</url>
   <custom>
     <value key="Purism::form_factor">mobile</value>
   </custom>