feat(auth): AppKit Auth #6743

Job	Run time
Bundle size check	1m 54s
code_style (lint)	2m 9s
test	2m 14s
code_style (prettier)	2m 2s
code_style (typecheck)	2m 6s
code_style (build:sample-apps)	2m 9s
code_style (danger)	2m 7s
ui-test / Playwright Tests (1, 5)	2m 10s
ui-test / Playwright Tests (2, 5)	2m 10s
ui-test / Playwright Tests (3, 5)	2m 10s
ui-test / Playwright Tests (4, 5)	2m 11s
ui-test / Playwright Tests (5, 5)	2m 10s
ui-test / setup_playwright_runners / setup-runners	44s
	26m 16s

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