Adds an obstacle generation system

This system is responsible for generating obstacles and moving them on-screen as the player moves in the world.

map.py

@@ -0,0 +1,26 @@
+from typing import List, Tuple
+
+class ObstacleSlice:
+    """
+    The game world is divided up into distinct "slices," where each slice is a predefined set of
+    obstacles in specific positions. These slices are then put forward in random order
+    """
+
+    """
+    How many units an obstacle slice is
+    """
+    height=20
+    
+    def __init__(self, obstacle_map: List[Tuple[int]], difficulty: int):
+        """
+        Creates an obstacle slice
+
+        :param obstacle_map:
+            A two-dimensional list description what obstacles are here. Each tuple describes a
+            single obstacle, its x, and y position, the obstacle type, the x mirror, and the y
+            mirror.
+        :param difficulty:
+            The difficulty of the game. This influences when this slice appears.
+        """
+        self.obstacle_map = obstacle_map
+        self.difficulty = difficulty