ENH add canInit method and CAN_DEV_GRAPHQL permissions #334

Job	Run time
CI / Context	2s
CI / Context	2s
CI / Generate matrix	8s
CI / Generate matrix	8s
CI / Check governance	2s
CI / Check governance	2s
CI / 8.1 prf-low mysql57 phpunit all	3m 35s
CI / 8.1 prf-low mysql57 phpunit all	3m 35s
CI / 8.1 mysql57 phpunit all	2m 34s
CI / 8.1 mysql57 phpunit all	2m 34s
CI / 8.2 mysql80 phpunit all	3m 28s
CI / 8.2 mysql80 phpunit all	3m 28s
CI / 8.1 mysql57 phplinting	2m 20s
CI / 8.1 mysql57 phplinting	2m 20s
CI / 8.1 mysql57 endtoend asset-admin	7m 3s
CI / 8.1 mysql57 endtoend asset-admin	21m 27s
CI / 8.1 mysql57 endtoend versioned-admin	4m 7s
CI / 8.1 mysql57 endtoend versioned-admin	9m 44s
CI / 8.1 mysql57 endtoend silverstripe-elemental	10m 7s
CI / 8.1 mysql57 endtoend silverstripe-elemental	26m 17s
CI / Check unreleased changes	0s
CI / Check unreleased changes	0s
CI / Patch release	0s
CI / Patch release	0s
	1h 43m 3s

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