create @vx/primitives package

[macintoshhelper]

No description provided.

[coveralls]

Pull Request Test Coverage Report for Build 250712786

• 0 of 23 (0.0%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage decreased (-0.4%) to 52.487%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
packages/vx-primitives/src/core.ts	0	1	0.0%
packages/vx-primitives/src/core.native.ts	0	2	0.0%
packages/vx-primitives/src/core.web.ts	0	2	0.0%
packages/vx-primitives/src/index.ts	0	2	0.0%
packages/vx-primitives/src/core.sketch.ts	0	3	0.0%
packages/vx-primitives/src/VxPrimitives.ts	0	6	0.0%
packages/vx-primitives/src/modules/Platform.ts	0	7	0.0%

Totals
Change from base Build 250555598:	-0.4%
Covered Lines:	1004
Relevant Lines:	1892

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💛 - Coveralls