[UIK-4893][website] added some notes about how ellipsis works #11798

Job	Run time
defineChangedComponents	1m 11s
get-changed-files	23s
docs-lint	-1s
build	5m 48s
nvda-tests	3m 45s
browser-tests-functional (webkit)	5m 0s
browser-tests-visual (firefox)	4m 41s
axe-tests	3m 55s
browser-tests-visual (webkit)	4m 56s
browser-tests-visual (chromium)	9m 55s
static-lint	4m 33s
unit-tests	2m 45s
browser-tests-functional (chromium)	4m 36s
browser-tests-functional (firefox)	9m 34s
	1h 1m 1s

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