用户故事1：
As a user,
So that I can access my saved URL's,
I'd like to be able to see my list of my bookmarks.
用户故事2
As a user,
So I can update my bookmarks,
I'd like to save a new bookmark to my bookmark manager.
要设置数据库，请执行以下操作：
- Connect to psql
- C
书签管理器
用户故事
As a user
In order to access my favourite site quickly
I want to display a list of my bookmarks
As a user
In order to save time
I want to be able to save a website with a bookmark
领域建模
如何运行数据库
连接到psql
使用psql命令CREATE DATABASE bookmark_man
