Add discord links #2345

Job	Run time
format	50s
mypy (./packages/autogen-core)	2m 9s
lint	49s
mypy (./packages/autogen-magentic-one)	1m 7s
pyright (./packages/autogen-core)	57s
mypy (./packages/agbench)	1m 2s
pyright (./packages/autogen-magentic-one)	1m 0s
mypy (./packages/autogen-ext)	1m 36s
pyright (./packages/agbench)	52s
mypy (./packages/autogen-agentchat)	1m 0s
pyright (./packages/autogen-ext)	1m 6s
pyright (./packages/autogen-agentchat)	55s
check-proto-changes-python	1m 17s
docs (./packages/autogen-core)	1m 30s
test (./packages/autogen-core)	1m 0s
docs-example-check (./packages/autogen-core)	2m 22s
test (./packages/autogen-magentic-one)	1m 20s
test (./packages/autogen-ext)	2m 8s
test (./packages/autogen-agentchat)	55s
	23m 55s

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