Resolve "自动创建文档类 Epic"

佳濠 高请求合并
161-zi-dong-chuang-jian-wen-dang-lei-epic 到master

What does this MR do and why?

添加新 class CreateMilestoneDocEpic，模仿 class CreateMilestoneBugEpic 进行 epic XX.X Documentation Related Work 的创建

Closes #161 (closed)

由 佳濠 高 编辑于

合并请求报告