Test

chore: replace documentation application by markdown file #2836

Job	Run time
Tests	1m 38s
Floating dependencies	50s
ember-try: ember-lts-3.28	1m 17s
ember-try: ember-lts-4.4	1m 36s
ember-try: ember-release	1m 19s
ember-try: ember-beta	1m 42s
ember-try: ember-canary	1m 55s
ember-try: embroider-safe	1m 21s
ember-try: embroider-optimized	2m 7s
ember-try: ember-classic	1m 50s
	15m 35s

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