定制Hexo Next主题的vendors，加入darkmode.js。中文说明。
Customize vendors of the Hexo Theme Next, add darkmode.js into it.
Steps:
- modify .gitignore and add a line as below:
!source/lib/darkmode-js - add darkmode.js to submodule as your Next repository
{blog_dir}/themes/next/git submodule add https://github.com/sandoche/Darkmode.js.git source/lib/darkmode-js/
- modify the config file as follows according to your preference (optional)
- {blog_dir}/themes/next/languages/en.yml
- next config file, which may have two different types according to the official doc
- add darkmode.js into vendors and customize it (see code here)
- add code to {blog_dir}/themes/next/layout/_scripts/vendors.swig
- add & set options below into next config file
- make sure the default option
darkmodeis set tofalse - add
darkmode-jsoption - add
darkmode-jsCDN specify option intovendors
- make sure the default option