chore(api): add API for chart, view, geometry

[hustcc]

Checklist

• npm test passes
• tests and/or benchmarks are included
• commit message follows commit guidelines

Description of change

[coveralls]

Pull Request Test Coverage Report for Build 751484360

Warning: This coverage report may be inaccurate.

We've detected an issue with your CI configuration that might affect the accuracy of this pull request's coverage report.
To ensure accuracy in future PRs, please see these guidelines.
A quick fix for this PR: rebase it; your next report should be accurate.

• 0 of 76 (0.0%) changed or added relevant lines in 7 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage remained the same at 0.0%

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Changes Missing Coverage	Covered Lines	Changed/Added Lines	%
src/chart/index.ts	0	2	0.0%
src/core.ts	0	2	0.0%
src/geometry/index.ts	0	2	0.0%
src/geometry/element.ts	0	8	0.0%
src/geometry/geometry.ts	0	11	0.0%
src/chart/chart.ts	0	17	0.0%
src/chart/view.ts	0	34	0.0%

Totals
Change from base Build 728826592:	0.0%
Covered Lines:	0
Relevant Lines:	78

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💛 - Coveralls