CI-CD

chore: prepare readme and CI for v4 release #442

Job	Run time
Build and lint	29s
Unit tests / Node.js 22 / ubuntu-latest	2m 21s
Unit tests / Node.js 20 / ubuntu-latest	2m 22s
Unit tests / Node.js 20 / windows-latest	3m 0s
Unit tests / Node.js 24 / ubuntu-latest	2m 31s
Unit tests / Node.js 22 / windows-latest	2m 43s
Unit tests / Node.js 20 / macos-latest	2m 3s
Unit tests / Node.js 24 / windows-latest	2m 51s
Unit tests / Node.js 24 / macos-latest	2m 9s
Unit tests / Node.js 22 / macos-latest	2m 5s
E2E tests / Node.js 24	32s
E2E tests / Node.js 22	32s
E2E tests / Node.js 20	27s
Code Coverage	2m 9s
Publish	0s
	26m 14s

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