Add localisation for skin management buttons in settings

osu.Game/Localisation/CommonStrings.cs

@@ -39,11 +39,21 @@ namespace osu.Game.Localisation
         /// </summary>
         public static LocalisableString Default => new TranslatableString(getKey(@"default"), @"Default");
 
+        /// <summary>
+        /// "Rename"
+        /// </summary>
+        public static LocalisableString Rename => new TranslatableString(getKey(@"rename"), @"Rename");
+
         /// <summary>
         /// "Export"
         /// </summary>
         public static LocalisableString Export => new TranslatableString(getKey(@"export"), @"Export");
 
+        /// <summary>
+        /// "Delete"
+        /// </summary>
+        public static LocalisableString Delete => new TranslatableString(getKey(@"delete"), @"Delete");
+
         /// <summary>
         /// "Width"
         /// </summary>

osu.Game/Overlays/Settings/Sections/SkinSection.cs

@@ -165,7 +165,7 @@ namespace osu.Game.Overlays.Settings.Sections
             [BackgroundDependencyLoader]
             private void load()
             {
-                Text = "Rename";
+                Text = CommonStrings.Rename;
                 Action = this.ShowPopover;
             }
 
@@ -193,7 +193,7 @@ namespace osu.Game.Overlays.Settings.Sections
             [BackgroundDependencyLoader]
             private void load()
             {
-                Text = "Export";
+                Text = CommonStrings.Export;
                 Action = export;
             }
 
@@ -231,7 +231,7 @@ namespace osu.Game.Overlays.Settings.Sections
             [BackgroundDependencyLoader]
             private void load()
             {
-                Text = "Delete";
+                Text = CommonStrings.Delete;
                 Action = delete;
             }