feat: complete create graph type with multiedge

[xigongdaEricyang]

https://github.com/vesoft-inc/requirement-holder/issues/966

1. 使用 mobx reaction的方式调整store 数据源格式，保证数据源唯一
2. 新增颜色选择器
3. 新增edge的平行边选项
4. Label table可以只读查看所有的Label
5. 预览的DDL新增平行边语句支持

What type of PR is this?

• [ ] bug
• [x] feature
• [ ] enhancement

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