add drawing of lanes

Co-authored-by: Laura Januleviciute <januleviciute.laura@gmail.com>

Lane.py

@@ -0,0 +1,18 @@
+import pygame
+
+class Lane:
+    def __init__(self, posY, width, height, add_markings=True):
+        self.posX = 0
+        self.posY = posY
+        self.width = width
+        self.height = height
+        self.add_markings = add_markings
+
+    def draw(self, screen):
+        pygame.draw.rect(screen, (0, 0, 0), pygame.Rect(self.posX, self.posY, self.width, self.height))
+        if self.add_markings:
+            for i in range(6):
+                pygame.draw.rect(screen, (70, 70, 70), pygame.Rect(self.posX + i * 150, self.posY + self.height-5, 70, 5))
+        
+    def update(self, screen):
+        pass