新增图标组件

[helloqian12138]

Is your feature request related to a problem? Please describe.
添加图标组件：
允许用户能够选取常用图标 或者 输入 svg 字符串 或者输入 链接 的形式进行渲染
允许用户配置样式：颜色，大小
允许用户根据 dataSource 来判断展示不同的图标或者不同样式

Describe the solution you'd like
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Describe alternatives you've considered
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Additional context
Add any other context or screenshots about the feature request here.

[tinymins]

已完成