feat(lib): change graphlib and plotlib

[pearmini]

调整 graphlib 和 plotlib：

export function graphlib() {
  return {
    'mark.forceGraph': ForceGraph,
    'mark.tree': Tree,
    'mark.pack': Pack,
    'data.arc': Arc,
    'data.cluster': Cluster,
    'mark.sankey': Sankey,
    'mark.treemap': Treemap,
  } as const;
}

export function plotlib() {
  return {
    'data.venn': Venn,
    'mark.boxplot': Boxplot,
    'mark.gauge': Gauge,
    'mark.wordCloud': WordCloud,
  } as const;
}

[coveralls]

Pull Request Test Coverage Report for Build 6011758604

• 4 of 4 (100.0%) changed or added relevant lines in 2 files are covered.
• No unchanged relevant lines lost coverage.
• Overall coverage increased (+0.001%) to 88.827%

---

Totals
Change from base Build 6011150159:	0.001%
Covered Lines:	9794
Relevant Lines:	10684

---

💛 - Coveralls