CI-CD

chore: prepare readme and CI for v4 release #441

Job	Run time
Build and lint	24s
Unit tests / Node.js 20 / ubuntu-latest	2m 19s
Unit tests / Node.js 24 / macos-latest	2m 8s
Unit tests / Node.js 24 / ubuntu-latest	2m 4s
Unit tests / Node.js 20 / windows-latest	2m 53s
Unit tests / Node.js 22 / windows-latest	2m 49s
Unit tests / Node.js 20 / macos-latest	2m 14s
Unit tests / Node.js 22 / macos-latest	2m 5s
Unit tests / Node.js 24 / windows-latest	3m 9s
Unit tests / Node.js 22 / ubuntu-latest	2m 25s
E2E tests / Node.js 20	35s
E2E tests / Node.js 24	27s
E2E tests / Node.js 22	30s
Code Coverage	2m 10s
Publish	0s
	26m 12s

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