Simulator: add reset hotkey (#29995)

add sim reset

tools/sim/lib/common.py

@@ -83,4 +83,8 @@ class World(ABC):
 
   @abstractmethod
   def close(self):
+    pass
+
+  @abstractmethod
+  def reset(self):
     pass

tools/sim/lib/keyboard_ctrl.py

@@ -55,6 +55,8 @@ def keyboard_poll_thread(q: 'Queue[str]'):
       q.put("steer_%f" % -0.15)
     elif c == 'i':
       q.put("ignition")
+    elif c == 'r':
+      q.put("reset")
     elif c == 'q':
       q.put("quit")
       break