processors(realtime-ai): add support for interrupting the bot

src/pipecat/frames/frames.py

@@ -268,6 +268,16 @@ class StopInterruptionFrame(SystemFrame):
     pass
 
 
+@dataclass
+class BotInterruptionFrame(SystemFrame):
+    """Emitted by when the bot should be interrupted. This will mainly cause the
+    same actions as if the user interrupted except that the
+    UserStartedSpeakingFrame and UserStoppedSpeakingFrame won't be generated.
+
+    """
+    pass
+
+
 @dataclass
 class BotSpeakingFrame(SystemFrame):
     """Emitted by transport outputs while the bot is still speaking. This can be