Update website, links and e‑mail address

data/gtk.glade

@@ -1433,7 +1433,7 @@
     <property name="program_name">CoverGrid</property>
     <property name="version">1.3</property>
     <property name="comments" translatable="yes">CoverGrid is a client for the Music Player Daemon, focusing on albums instead of single tracks.</property>
-    <property name="website">http://www.coderkun.de/codes/mcg</property>
+    <property name="website">http://www.suruatoel.xyz/codes/mcg</property>
     <property name="logo">mcg.svg</property>
     <property name="license_type">gpl-3-0</property>
     <child internal-child="vbox">

data/mcg.svg

@@ -100,7 +100,7 @@
             <dc:title>coderkun</dc:title>
           </cc:Agent>
         </dc:creator>
-        <dc:description>https://www.coderkun.de/codes/mcg</dc:description>
+        <dc:description>https://www.suruatoel.xyz/codes/mcg</dc:description>
         <cc:license
            rdf:resource="http://creativecommons.org/licenses/by-nc-nd/4.0/" />
       </cc:Work>