对Part1的校对

[lhsfcboy]

@vimiix

本条Issue记录对Part1的校对

[lhsfcboy]

下文中的```bash 宜改为``` (纯粹的输出结果, 而不是bash脚本内容)

当你看到以下消息时，就代表安装完成了：

==> Installation successful!

==> Homebrew has enabled anonymous aggregate user behaviour analytics.
Read the analytics documentation (and how to opt-out) here:
  https://docs.brew.sh/Analytics.html

==> Next steps:
- Run `brew help` to get started
- Further documentation:
    https://docs.brew.sh

[lhsfcboy]

就是这样！你刚刚创建成功了你的第一个视图，

逗号应为句号

[vimiix]

已提交 #8