Add AGS to README.md #3376

Job	Run time
lint	48s
format	49s
codecov (./packages/autogen-core)	56s
docs (./packages/autogen-core)	1m 36s
codecov (./packages/autogen-magentic-one)	1m 46s
codecov (./packages/autogen-ext)	2m 39s
codecov (./packages/autogen-agentchat)	1m 0s
mypy (./packages/autogen-core)	2m 4s
mypy (./packages/autogen-magentic-one)	1m 5s
pyright (./packages/autogen-core)	56s
mypy (./packages/agbench)	55s
pyright (./packages/autogen-magentic-one)	59s
test (./packages/autogen-core)	1m 5s
pyright (./packages/agbench)	1m 4s
mypy (./packages/autogen-ext)	1m 44s
test (./packages/autogen-magentic-one)	1m 21s
pyright (./packages/autogen-ext)	1m 9s
mypy (./packages/autogen-agentchat)	1m 17s
test (./packages/autogen-ext)	2m 41s
pyright (./packages/autogen-agentchat)	1m 4s
mypy (./packages/magentic-one-cli)	1m 9s
test (./packages/autogen-agentchat)	1m 6s
pyright (./packages/magentic-one-cli)	53s
check-proto-changes-python	1m 4s
docs-example-check (./packages/autogen-core)	2m 47s
markdown-code-lint	1m 57s
samples-code-check	50s
	36m 44s

Provide feedback