Add spliced endless mode and splice indicator

src/system/unlockables.ts

@@ -1,13 +1,18 @@
+import { GameMode, gameModeNames } from "../game-mode";
+
 export enum Unlockables {
   ENDLESS_MODE,
-  MINI_BLACK_HOLE
+  MINI_BLACK_HOLE,
+  SPLICED_ENDLESS_MODE
 }
 
 export function getUnlockableName(unlockable: Unlockables) {
   switch (unlockable) {
     case Unlockables.ENDLESS_MODE:
-      return 'Endless Mode';
+      return gameModeNames[GameMode.ENDLESS];
     case Unlockables.MINI_BLACK_HOLE:
       return 'Mini Black Hole';
+    case Unlockables.SPLICED_ENDLESS_MODE:
+      return gameModeNames[GameMode.SPLICED_ENDLESS];
   }
 }