chore: add gemini extension json #376

Job	Run time
Tests on windows-latest with node 24	1m 31s
Tests on ubuntu-latest with node 23	43s
Tests on windows-latest with node 23	1m 48s
Tests on macos-latest with node 22	1m 2s
Tests on macos-latest with node 23	1m 15s
Tests on ubuntu-latest with node 22	56s
Tests on ubuntu-latest with node 24	44s
Tests on windows-latest with node 22	1m 37s
Tests on macos-latest with node 24	1m 22s
[Required] Tests passed	3s
	11m 1s

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