feat: add claude marketplace and plugin json #937

Job	Run time
Tests on ubuntu-latest with node 23	58s
Tests on macos-latest with node 22	1m 12s
Tests on windows-latest with node 23	2m 40s
Tests on macos-latest with node 20	1m 29s
Tests on ubuntu-latest with node 20	53s
Tests on windows-latest with node 20	1m 57s
Tests on ubuntu-latest with node 24	1m 1s
Tests on windows-latest with node 22	2m 31s
Tests on ubuntu-latest with node 22	55s
Tests on macos-latest with node 23	1m 7s
Tests on windows-latest with node 24	2m 21s
Tests on macos-latest with node 24	1m 17s
[Required] Tests passed	3s
	18m 24s

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