Refactor links-of-blogroll-item

[stevenjoezhang]

- links_icon: link
- links_title: Links
- links_layout: block
- #links_layout: inline
+ links_settings:
+   icon: link
+   title: Links
+   # Available values: block | inline
+   layout: block

[pzb568]

7.4.0版本更新友情链接不显示
设置如下

Blog rolls
links_settings:
  icon: link
  title: Links
  # Available values: block | inline
  layout: block
links:
  #Title: http://example.com
网易云音乐: https://music.163.com/m/user?id=20263877
班班: https://blog.dlzhang.com
reuixiy: https://io-oi.me
遇见西门: https://www.simon96.online
Yadomin: https://yadominjinta.github.io
国光博客: https://www.sqlsec.com
imgurl图床: https://imgurl.org
黑马程序员: http://yun.itheima.com
廖雪峰网站: https://www.liaoxuefeng.com

[stevenjoezhang]

@pzb568 缩进两个空格

[pzb568]

OK👌之前缩进4个报错，我就把缩进删除了