initial implementation for vectordb #760

Job	Run time
format	54s
lint	47s
mypy (./packages/autogen-core)	2m 46s
pyright (./packages/autogen-core)	1m 7s
mypy (./packages/autogen-magentic-one)	1m 11s
pyright (./packages/autogen-magentic-one)	1m 2s
mypy (./packages/agbench)	59s
pyright (./packages/agbench)	52s
mypy (./packages/autogen-ext)	1m 41s
pyright (./packages/autogen-ext)	1m 1s
mypy (./packages/autogen-agentchat)	1m 1s
test (./packages/autogen-core)	1m 41s
pyright (./packages/autogen-agentchat)	51s
test (./packages/autogen-magentic-one)	1m 29s
test (./packages/autogen-ext)	2m 0s
test (./packages/autogen-agentchat)	58s
check-proto-changes-python	45s
docs (./packages/autogen-core)	1m 12s
	22m 17s

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