[FEATURE] Enable basic Markdown files #1940

Job	Run time
Check architecture	26s
Coding Standards	20s
Lint root / Lint yaml & Composer (8.2)	10s
Code Coverage / Code Coverage	1m 46s
Static analysis / Static Code Analysis (8.2)	36s
Unit test / Tests (8.1, lowest)	1m 3s
Unit test / Tests (8.1, locked)	21s
Unit test / Tests (8.1, highest)	33s
Unit test / Tests (8.2, lowest)	33s
Unit test / Tests (8.2, locked)	20s
Unit test / Tests (8.2, highest)	1m 6s
Functional test / Tests (8.1, lowest)	54s
integration test / Tests (8.1, lowest)	1m 9s
Functional test / Tests (8.1, locked)	20s
integration test / Tests (8.1, locked)	22s
Functional test / Tests (8.1, highest)	34s
integration test / Tests (8.1, highest)	50s
Functional test / Tests (8.2, lowest)	53s
integration test / Tests (8.2, lowest)	1m 11s
Functional test / Tests (8.2, locked)	33s
integration test / Tests (8.2, locked)	31s
Functional test / Tests (8.2, highest)	53s
integration test / Tests (8.2, highest)	1m 8s
	16m 32s

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