Add support for braille format files #1689

Job	Run time
CI / Generate matrix	9s
CI / Context	1s
CI / Check governance	4s
CI / 8.1 prf-low mysql57 phpunit framework-core	4m 57s
CI / 8.1 mysql57 phpunit framework-core	5m 24s
CI / 8.2 mysql80 phpunit framework-core	7m 51s
CI / 8.1 prf-low mysql57 phpunit framework-orm	11m 3s
CI / 8.1 mysql57 phpunit framework-orm	11m 34s
CI / 8.2 mysql80 phpunit framework-orm	13m 28s
CI / 8.1 prf-low mysql57 phpunit cms	2m 0s
CI / 8.1 mysql57 phpunit cms	1m 50s
CI / 8.2 mysql80 phpunit cms	2m 33s
CI / 8.1 mysql57 phplinting	2m 2s
CI / Check unreleased changes	0s
CI / Patch release	0s
	1h 2m 56s

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