feat: 股票图增强

[visiky]

Checklist

• Geometry Style 支持上涨色、下跌色
• Tooltip ✅ 代码重构 ✅ 轴 tooltip 指示器优化
• Slider ✅ 缩略轴 slider

PR includes

• feat(stock): 股票图支持配置上涨色&下跌色
• feat(stock): 股票图支持缩略轴 slider
• docs(stock): 添加股票图上涨色&下跌色配置的 demo 和文档
• docs(tooltip): 完善 tooltip crosshairs 文档
• refactor(stock): 增加 schema geometry adaptor & 重构股票图 tooltip（精简股票图 tooltip 配置，默认展示更优）
• docs(stock): 增加若干股票图 demo

Screenshot

Before	After
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[coveralls]

Pull Request Test Coverage Report for Build 870796641

• 29 of 29 (100.0%) changed or added relevant lines in 4 files are covered.
• 2 unchanged lines in 1 file lost coverage.
• Overall coverage increased (+0.1%) to 96.26%

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Files with Coverage Reduction	New Missed Lines	%
src/plots/stock/adaptor.ts	2	92.06%

Totals
Change from base Build 869874785:	0.1%
Covered Lines:	5657
Relevant Lines:	5734

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💛 - Coveralls