docs: add Antigravity config #1476

Job	Run time
Tests on ubuntu-latest with node 22	1m 10s
Tests on windows-latest with node 23	3m 37s
Tests on windows-latest with node 22	2m 27s
Tests on windows-latest with node 20	2m 9s
Tests on ubuntu-latest with node 24	1m 12s
Tests on macos-latest with node 20	2m 28s
Tests on ubuntu-latest with node 23	1m 15s
Tests on ubuntu-latest with node 20	1m 7s
Tests on macos-latest with node 24	2m 8s
Tests on macos-latest with node 22	2m 25s
Tests on macos-latest with node 23	2m 3s
Tests on windows-latest with node 24	3m 1s
[Required] Tests passed	4s
	25m 6s

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