docs(metainfo): Add link to source repo

cf. https://docs.flathub.org/docs/for-app-authors/metainfo-guidelines#url

Author: salim-b

data/io.github.BuddySirJava.SSH-Studio.metainfo.xml

@@ -71,8 +71,9 @@
     </release>
   </releases>
   <url type="homepage">https://github.com/BuddySirJava/SSH-Studio</url>
+  <url type="vcs-browser">https://github.com/BuddySirJava/SSH-Studio</url>
   <url type="bugtracker">https://github.com/BuddySirJava/SSH-Studio/issues</url>
   <developer id="io.github.buddysirjava">
     <name>Mahyar Darvishi</name>
   </developer>
-</component>
+</component>