[RZB-2500047]: fixed json file import issue in crossword

Author: xkeshav

public/json/cross.json

@@ -0,0 +1,17 @@
+[
+  {
+    "easy": ["CAT", "DOG", "SUN", "MOON", "STAR"],
+    "medium": ["APPLE", "GRAPE", "ORANGE", "BERRIES"],
+    "hard": ["WALRUS", "GIRAFFE", "PENGUIN", "DOLPHIN"]
+  },
+  {
+    "easy": ["HAT", "CAR", "BALL", "SHOE", "LAMP"],
+    "medium": ["CHERRY", "COCONUT", "PLUM", "MELON", "PEACH"],
+    "hard": ["OCTOPUS", "JACKAL", "WALRUS", "PEACOCK"]
+  },
+  {
+    "easy": ["RED", "BLUE", "GREEN", "YELLOW", "PURPLE"],
+    "medium": ["BLACK", "WHITE", "BROWN", "ORANGE", "PINK"],
+    "hard": ["MAGENTA", "CYAN", "VIOLET", "MAROON"]
+  }
+]