用于向mdbook添加帖子的命令行界面

mdbook-post
Example:
mdbook-post <-c || --config> show  => show cli config
mdbook-post <-c || --config> remove => remove cli config
mdbook-post <-c || --config> edit /home/andrew/code/gitee/blog =>set blog path
mdbook-post <-l || --catogorylist>  => show category list
mdbook-post <-l Rust || --catogorylist Rust>  => show all list of Rust
mdbook-post <-n || --new> Rust 'implement todo CLI'  => add new post