Added new tile generation to the game

Assets/Scripts/ContentGenerator.cs

@@ -22,19 +22,19 @@ public class ContentGenerator : MonoBehaviour
 
     public GameObject generateContent(string tiletype)
     {
-        switch (tiletype)
+        switch (tiletype.ToLower())
         {
-            case "Plane":
+            case "plane":
                 return generateTileContent();
-            case "Mountain":
+            case "mountains":
                 return generateStoneTileContent();
-            case "Forest":
+            case "forest":
                 return generateTreeTileContent();
-            case "River":
+            case "river":
                 return generateRiverTileContent();
-            case "Lake":
+            case "lake":
                 return generateLakeTileContent();
-            case "City":
+            case "city":
                 return generateCityTileContent();
         }
         return null;