Improve markdown code linting command and update logging documentation and (#4902)

Update logging documentation and improve markdown code linting command

Author: ekzhu

python/packages/autogen-core/docs/src/user-guide/core-user-guide/framework/logging.md

@@ -75,21 +75,17 @@ logger = logging.getLogger(f"{TRACE_LOGGER_NAME}.my_module")
 
 ### Emitting structured logs
 
-If your event looks like:
+If your event is a dataclass, then it could be emitted in code like this:
 
 ```python
+import logging
 from dataclasses import dataclass
+from autogen_core import EVENT_LOGGER_NAME
 
 @dataclass
 class MyEvent:
     timestamp: str
     message: str
-```
-
-Then it could be emitted in code like this:
-
-```python
-from autogen_core import EVENT_LOGGER_NAME
 
 logger = logging.getLogger(EVENT_LOGGER_NAME + ".my_module")
 logger.info(MyEvent("timestamp", "message"))

python/pyproject.toml

@@ -89,7 +89,7 @@ gen-proto = "python -m grpc_tools.protoc --python_out=./packages/autogen-ext/src
 
 gen-proto-samples = "python -m grpc_tools.protoc --python_out=./packages/autogen-core/samples/protos --grpc_python_out=./packages/autogen-core/samples/protos --mypy_out=./packages/autogen-core/samples/protos --mypy_grpc_out=./packages/autogen-core/samples/protos --proto_path ../protos/ agent_events.proto"
 
-markdown-code-lint = "python check_md_code_blocks.py ../README.md ./packages/autogen-core/docs/src/user-guide/agentchat-user-guide/*.md ./packages/autogen-core/docs/src/index.md"
+markdown-code-lint = """python check_md_code_blocks.py ../README.md ./packages/autogen-core/docs/src/**/*.md"""
 
 [[tool.poe.tasks.gen-test-proto.sequence]]
 cmd = "python -m grpc_tools.protoc --python_out=./packages/autogen-core/tests/protos --grpc_python_out=./packages/autogen-core/tests/protos --mypy_out=./packages/autogen-core/tests/protos --mypy_grpc_out=./packages/autogen-core/tests/protos --proto_path ./packages/autogen-core/tests/protos serialization_test.proto"