Test

chore: replace documentation application by markdown file #2847

Job	Run time
Tests	1m 47s
Floating dependencies	1m 33s
ember-try: ember-lts-3.28	1m 51s
ember-try: ember-lts-4.4	1m 19s
ember-try: ember-release	1m 42s
ember-try: ember-beta	58s
ember-try: ember-canary	1m 0s
ember-try: embroider-safe	1m 11s
ember-try: embroider-optimized	1m 58s
ember-try: ember-classic	1m 48s
	15m 7s

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