refactor: allow permission to be created by a key

[kushsharma]

• permission key are provided as service.resource.verb
• fix(shield): depreciate check permission object, namespace fields (#285) proton#286

[coveralls]

Pull Request Test Coverage Report for Build 5357404124

• 16 of 46 (34.78%) changed or added relevant lines in 4 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.07%) to 43.309%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
internal/bootstrap/service.go	0	2	0.0%
internal/bootstrap/schema/schema.go	0	28	0.0%

Totals
Change from base Build 5348675533:	-0.07%
Covered Lines:	4288
Relevant Lines:	9901

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💛 - Coveralls