Test

chore: replace documentation application by markdown file #2848

Job	Run time
Tests	1m 15s
Floating dependencies	48s
ember-try: ember-lts-3.28	1m 21s
ember-try: ember-lts-4.4	1m 40s
ember-try: ember-release	1m 17s
ember-try: ember-beta	1m 57s
ember-try: ember-canary	1m 32s
ember-try: embroider-safe	1m 12s
ember-try: embroider-optimized	2m 2s
ember-try: ember-classic	1m 46s
	14m 50s

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