topaz v2 model

[gertd]

• add model and write validations
• add azm v0.0.1

[coveralls]

Pull Request Test Coverage Report for Build 6027497211

• 183 of 446 (41.03%) changed or added relevant lines in 20 files are covered.
• 37 unchanged lines in 4 files lost coverage.
• Overall coverage decreased (-0.5%) to 36.623%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
pkg/bdb/migrate/mig002/migrate.go	2	3	66.67%
pkg/ds/object_dependency.go	0	1	0.0%
pkg/ds/object_type.go	3	4	75.0%
pkg/directory/directory.go	3	5	60.0%
internal/cmd/load/load-test.go	0	3	0.0%
pkg/ds/model.go	0	3	0.0%
pkg/ds/object.go	6	11	54.55%
pkg/ds/relation_type.go	5	10	50.0%
pkg/ds/check_permission.go	0	13	0.0%
pkg/ds/check_relation.go	0	13	0.0%

Files with Coverage Reduction	New Missed Lines	%
pkg/directory/v2/importer.go	1	4.41%
pkg/directory/v2/reader.go	2	38.0%
pkg/ds/relation.go	5	24.37%
pkg/bdb/scanner.go	29	38.24%

Totals
Change from base Build 5875383909:	-0.5%
Covered Lines:	1013
Relevant Lines:	2766

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💛 - Coveralls