adds game

tunnel.py

@@ -0,0 +1,19 @@
+from queue import Queue
+from enemy import *
+
+
+class Tunnel:
+    def __init__(self):
+        self.next_step = Empty()
+        self.contents = Queue()
+        for i in range(15): self.contents.put(Empty())
+        print(self.contents.qsize())
+
+    def append_step(self, step):
+        self.contents.get()
+        self.contents.put(self.next_step)
+        self.next_step = step
+
+    def get_as_str(self) -> str:
+        result = [i.char for i in self.contents.queue]
+        return "".join(result)