Chad's big patient intake PR (#40)

* at least it runs, kind of

* wip

* wip with user response aggregator

* frame and pipeline docstrings

* Getting started on docstrings

* finish docstrings for aggregators

* patient intake is working!

* cleanup

* cleanup

---------

Co-authored-by: Moishe Lettvin <moishel@gmail.com>

src/dailyai/pipeline/frames.py

@@ -72,3 +72,8 @@ class UserStartedSpeakingFrame(Frame):
 
 class UserStoppedSpeakingFrame(Frame):
     pass
+
+@dataclass()
+class LLMFunctionCallFrame(Frame):
+    function_name: str
+    arguments: str