community: add MarkItDown document loader #35821

Job	Run time
build	13s
cd libs/community / make extended_tests #3.9	52s
cd libs/community / make extended_tests #3.12	1m 27s
test-doc-imports	0s
cd libs/langchain / make extended_tests #3.9	40s
cd libs/langchain / make extended_tests #3.13	50s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.11	35s
cd libs/community / poetry run pytest -m compile tests/integration_tests #3.9	35s
cd libs/langchain / poetry run pytest -m compile tests/integration_tests #3.13	36s
cd libs/langchain / poetry run pytest -m compile tests/integration_tests #3.9	27s
cd libs/community / make lint #3.13	1m 0s
cd libs/community / make lint #3.9	36s
cd libs/langchain / make lint #3.13	25s
cd libs/langchain / make lint #3.9	22s
cd libs/community / make test #3.13	39s
cd libs/community / make test #3.9	31s
cd libs/langchain / make test #3.13	39s
cd libs/langchain / make test #3.9	32s
cd libs/community / make test # pydantic: ~=2.10.0, python: 3.11,	35s
cd libs/community / make test # pydantic: ~=2.7.0, python: 3.11,	35s
cd libs/community / make test # pydantic: ~=2.8.0, python: 3.11,	32s
cd libs/community / make test # pydantic: ~=2.9.0, python: 3.11,	35s
cd libs/langchain / make test # pydantic: ~=2.10.0, python: 3.11,	30s
cd libs/langchain / make test # pydantic: ~=2.7.0, python: 3.11,	29s
cd libs/langchain / make test # pydantic: ~=2.8.0, python: 3.11,	30s
cd libs/langchain / make test # pydantic: ~=2.9.0, python: 3.11,	29s
CI Success	1s
	15m 15s

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