repositories: add mate-overlay

Closes: #655
Signed-off-by: Florian Schmaus <[email protected]>

Author: immolo

files/overlays/repositories.xml

@@ -2489,6 +2489,17 @@
     <source type="git">https://github.com/oz123/mate-de-gentoo.git</source>
     <source type="git">git+ssh://[email protected]/oz123/mate-de-gentoo.git</source>
   </repo>
+  <repo quality="experimental" status="unofficial">
+    <name>mate-overlay</name>
+    <description lang="en">Testbed for new mate-desktop environment ebuilds</description>
+    <homepage>https://github.com/immolo/mate-overlay</homepage>
+    <owner type="person">
+      <email>[email protected]</email>
+      <name>Ian Jordan</name>
+    </owner>
+    <source type="git">https://github.com/immolo/mate-overlay.git</source>
+    <source type="git">git+ssh://[email protected]/immolo/mate-overlay.git</source>
+  </repo>
   <repo quality="experimental" status="unofficial">
     <name>megacoffee</name>
     <description lang="en">Mixed ebuilds from various sources: self-written missing ebuilds, more current ebuilds, ebuilds that just needed a slight update from official portage, ebuilds others posted on Gentoo Bugzilla, ebuilds with added patches, old ebuilds that were removed from official portage etc.</description>