docs: add VS Code install badges #1478

Job	Run time
Tests on ubuntu-latest with node 22	1m 31s
Tests on macos-latest with node 23	2m 44s
Tests on windows-latest with node 24	3m 2s
Tests on macos-latest with node 22	2m 29s
Tests on ubuntu-latest with node 23	1m 13s
Tests on macos-latest with node 24	2m 25s
Tests on ubuntu-latest with node 24	1m 8s
Tests on windows-latest with node 23	2m 40s
Tests on windows-latest with node 20	2m 3s
Tests on macos-latest with node 20	3m 0s
Tests on ubuntu-latest with node 20	1m 25s
Tests on windows-latest with node 22	2m 30s
[Required] Tests passed	3s
	26m 13s

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