Resolve WES-117 "Persistent data handling"

Assets/SystemArchitecture/Scripts/ThemeIndex.cs

@@ -0,0 +1,24 @@
+
+/// <summary>
+/// Enum for easy indexing and checking if a course is of a certain kind
+/// </summary>
+public enum ThemeIndex
+{
+    SIGN_ALPHABET,
+    SIGN_CLOTHING,
+    SIGN_ANIMALS,
+    SIGN_FOOD,
+    SIGN_HOBBIES,
+    SIGN_HOUSE,
+    SIGN_FAMILY,
+    SPELLING_GEOGRAPY,
+    SPELLING_BUILDINGS,
+    SPELLING_SPORTS,
+    SPELLING_BASICS,
+    SPELLING_HOBBIES,
+    SPELLING_PEOPLE,
+    SPELLING_FRUIT,
+    SPELLING_VEGGIES,
+    SPELLING_WILD,
+    SPELLING_FARM
+}