docs(scenario-demos): 体系化建设 BI 业务图表

[visiky]

PR includes

• line: 折线图场景 demo 大纲。Details: https://www.yuque.com/antv/vis-library/trend#UTlMU
• line: 折线图场景 demo 开发。(进度：3/5)
• column: 柱状图场景 demo 大纲。Details: https://www.yuque.com/antv/vis-library/compare
• column: 柱状图场景 demo 开发。

[github-actions]

🎊 PR Preview 5668272 has been successfully built and deployed to https://antvis-G2Plot-preview-pr-3039.surge.sh?type=diff&date=2022-01-18

🕐 Build time: 68.906s

_{🤖 By Surge Ui Insight}

[coveralls]

Pull Request Test Coverage Report for Build 1713021547

• 0 of 0 changed or added relevant lines in 0 files are covered.
• 9 unchanged lines in 3 files lost coverage.
• Overall coverage decreased (-0.07%) to 95.222%

---

Files with Coverage Reduction	New Missed Lines	%
src/utils/geometry.ts	1	90.91%
src/plots/liquid/shapes/liquid.ts	2	93.62%
src/plots/line/adaptor.ts	6	87.88%

Totals
Change from base Build 1605282383:	-0.07%
Covered Lines:	6824
Relevant Lines:	6967

---

💛 - Coveralls