Added schema and app package code client

Pull Request Test Coverage Report for Build 10253472492

286 of 765 (37.39%) changed or added relevant lines in 10 files are covered.
No unchanged relevant lines lost coverage.
Overall coverage decreased (-7.2%) to 39.748%

Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
libs/app-package-build-client/unity_sds_apgs_client/models/ads_acb_mcp_clone_get200_response.py	21	33	63.64%
libs/app-package-build-client/unity_sds_apgs_client/api/default_api.py	21	49	42.86%
libs/app-package-build-client/unity_sds_apgs_client/exceptions.py	29	90	32.22%
libs/app-package-build-client/unity_sds_apgs_client/rest.py	30	96	31.25%
libs/app-package-build-client/unity_sds_apgs_client/configuration.py	92	161	57.14%
libs/app-package-build-client/unity_sds_apgs_client/api_client.py	70	313	22.36%
<!--	Total:	286	765	37.39%	-->