Add mover group for background frames

diff --git a/ElvUI_SLE/ElvUI_SLE.lua b/ElvUI_SLE/ElvUI_SLE.lua
index 0e6d607..0dbb9d8 100644
--- a/ElvUI_SLE/ElvUI_SLE.lua
+++ b/ElvUI_SLE/ElvUI_SLE.lua
@@ -12,6 +12,8 @@ end
 function SLE:ConfigCats() --Additional config groups
 	table.insert(E.ConfigModeLayouts, #(E.ConfigModeLayouts)+1, "S&L");
 	E.ConfigModeLocalizedStrings["S&L"] = "S&L"
+	table.insert(E.ConfigModeLayouts, #(E.ConfigModeLayouts)+1, "S&L BG");
+	E.ConfigModeLocalizedStrings["S&L BG"] = L["S&L Backgrounds"]
 end

 function SLE:LootShow()