(slate-DE) Added a readme file.

themes/slate-DE/README.md

@@ -0,0 +1,26 @@
+# slate-DE for EmulationStation Desktop Edition
+
+slate-DE is an official theme set for ES-DE that supports all systems as well as the latest application features.
+
+The theme includes the following configuration:
+
+2 variants:
+
+- Textlist with videos
+- Textlist without videos
+
+2 color schemes:
+
+- Dark mode
+- Light mode
+
+2 aspect ratios:
+
+- 16:9
+- 4:3
+
+There is no need for a dedicated 16:10 aspect ratio as the 16:9 layout scales really well.
+
+# Credits
+
+The theme is based on recalbox-multi by the Recalbox community.

themes/slate-DE/capabilities.xml

@@ -51,5 +51,4 @@
         <label>No game media</label>
         <selectable>false</selectable>
     </variant>
-
 </themeCapabilities>