Added road map generation

proto2/project.godot

@@ -19,6 +19,11 @@ _global_script_classes=[ {
 "language": "GDScript",
 "path": "res://ai/ball_game_ai3d.gd"
 }, {
+"base": "Reference",
+"class": "GridRule",
+"language": "GDScript",
+"path": "res://growth_rules/grid.gd"
+}, {
 "base": "RigidBody",
 "class": "Item",
 "language": "GDScript",
@@ -47,6 +52,7 @@ _global_script_classes=[ {
 _global_script_class_icons={
 "BallGameAI": "",
 "BallGameAI3D": "",
+"GridRule": "",
 "Item": "",
 "Quest": "",
 "QuestObjective": "",
@@ -64,6 +70,7 @@ world="*res://autoloads/world.gd"
 controls="*res://autoloads/controls.gd"
 characters="*res://autoloads/characters.gd"
 notifications="*res://autoloads/notifications.gd"
+roadmap="*res://autoloads/roadmap.gd"
 
 [input]