Re-export `pageTitle` from index #314

Job	Run time
Lint	41s
Tests (ubuntu-latest, chrome, 16)	51s
Floating Dependencies (ubuntu-latest, chrome)	1m 6s
Tests (ubuntu-latest, chrome, 18)	39s
Floating Dependencies (ubuntu-latest, firefox)	55s
Tests (ubuntu-latest, firefox, 16)	56s
Tests (ubuntu-latest, firefox, 18)	1m 7s
Docs app	42s
Tests - ember-lts-3.28	46s
Tests - ember-lts-4.4	56s
Tests - ember-lts-4.12	1m 13s
Tests - ember-release	1m 8s
Tests - ember-beta	1m 11s
Tests - ember-classic	1m 8s
Tests - embroider-safe	1m 6s
Tests - embroider-optimized	1m 17s
Tests - ember-canary	58s
	16m 40s

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