add bicycle to game over screen

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

Bicycle.py

@@ -0,0 +1,32 @@
+import pygame
+import random
+from Bubble import Bubble
+
+class Bicycle:
+    def __init__(self, posX, posY, directionX=random.uniform(1, 3)):
+        self.posX = posX
+        self.posY = posY
+        self.directionX = directionX
+        self.width = 73
+        self.height = 40
+        self.image = pygame.image.load("sprites/bicycle.png")
+
+        if directionX < 0:
+            self.image = pygame.transform.flip(self.image, True, False)
+
+    def draw(self, screen):
+        screen.blit(self.image, (self.posX, self.posY))
+        
+    
+    def update(self, screen):
+        self.posX += self.directionX
+        screen_width, screen_height = screen.get_size()
+        if self.directionX > 0:
+            if self.posX + self.width + self.directionX > screen_width:
+                self.directionX = -random.uniform(1, 3)
+                self.image = pygame.transform.flip(self.image, True, False)
+        else:
+            if self.posX + self.directionX < 0:
+                self.directionX = random.uniform(1, 3)
+                self.image = pygame.transform.flip(self.image, True, False)
+