Expose TCM TypedDict classes for apps to use (#6269)

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An app can pass untyped dicts to set configuration options of various
Task-Centric Memory classes. But tools like pyright can complain about
the loose typing. This PR exposes 4 TypedDict classes that apps can
optionally use.

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solves. -->

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python/packages/autogen-ext/src/autogen_ext/experimental/task_centric_memory/__init__.py

@@ -1,3 +1,4 @@
-from .memory_controller import MemoryController
+from .memory_controller import MemoryController, MemoryControllerConfig
+from ._memory_bank import MemoryBankConfig
 
-__all__ = ["MemoryController"]
+__all__ = ["MemoryController", "MemoryControllerConfig", "MemoryBankConfig"]

python/packages/autogen-ext/src/autogen_ext/experimental/task_centric_memory/utils/__init__.py

@@ -1,7 +1,15 @@
-from .apprentice import Apprentice
+from .apprentice import Apprentice, ApprenticeConfig
 from .chat_completion_client_recorder import ChatCompletionClientRecorder
 from .grader import Grader
-from .page_logger import PageLogger
+from .page_logger import PageLogger, PageLoggerConfig
 from .teachability import Teachability
 
-__all__ = ["Apprentice", "ChatCompletionClientRecorder", "Grader", "PageLogger", "Teachability"]
+__all__ = [
+    "Apprentice",
+    "ChatCompletionClientRecorder",
+    "Grader",
+    "PageLogger",
+    "Teachability",
+    "ApprenticeConfig",
+    "PageLoggerConfig",
+]