One-line summary [问题简述]

Hi Team ,Can I customize the tree chart's node in ECharts Tree
Can I use add button along with node symbol (one for expand n collapse and other for add child node) .
so that I can add child node from add button .
Can I add some Template so that we can add TextBox on mouseover .

Version & Environment [版本及环境]

• ECharts version [ECharts 版本]:
• Browser version [浏览器类型和版本]:
• OS Version [操作系统类型和版本]:

Expected behaviour [期望结果]

ECharts option [ECharts配置项]

option = {

}

Other comments [其他信息]