Make package readmes slightly less empty (#4961) #3261

Job	Run time
format	48s
lint	48s
mypy (./packages/autogen-core)	2m 7s
codecov (./packages/autogen-core)	1m 1s
mypy (./packages/autogen-magentic-one)	1m 16s
pyright (./packages/autogen-core)	56s
mypy (./packages/agbench)	55s
codecov (./packages/autogen-magentic-one)	1m 28s
pyright (./packages/autogen-magentic-one)	1m 12s
test (./packages/autogen-core)	53s
mypy (./packages/autogen-ext)	1m 49s
codecov (./packages/autogen-ext)	1m 43s
pyright (./packages/agbench)	1m 0s
test (./packages/autogen-magentic-one)	1m 26s
mypy (./packages/autogen-agentchat)	1m 15s
codecov (./packages/autogen-agentchat)	1m 7s
pyright (./packages/autogen-ext)	56s
test (./packages/autogen-ext)	1m 44s
mypy (./packages/magentic-one-cli)	1m 0s
pyright (./packages/autogen-agentchat)	1m 10s
test (./packages/autogen-agentchat)	58s
pyright (./packages/magentic-one-cli)	1m 3s
check-proto-changes-python	1m 5s
docs (./packages/autogen-core)	1m 25s
docs-example-check (./packages/autogen-core)	2m 42s
markdown-code-lint	2m 9s
samples-code-check	1m 2s
	34m 58s

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