feat: add Playwright e2e tests #528

Job	Run time
build	4m 44s
test-dotnet	54s
test (a)	6m 6s
items-planning-playwright-test (c)	16m 2s
items-planning-playwright-test (b)	15m 36s
items-planning-playwright-test (a)	5m 36s
test (c)	8m 4s
test (b)	5m 31s
	1h 2m 33s

Provide feedback