Hexo -19- 添加emoji表情

npm un hexo-renderer-marked --save
npm i hexo-renderer-markdown-it --save

# Markdown-it config
## Docs: https://github.com/celsomiranda/hexo-renderer-markdown-it/wiki
markdown:
  render:
    html: true
    xhtmlOut: false
    breaks: true
    linkify: true
    typographer: true
    quotes: '“”‘’'
  plugins:
    - markdown-it-abbr
    - markdown-it-footnote
    - markdown-it-ins
    - markdown-it-sub
    - markdown-it-sup
    - markdown-it-emoji  # add emoji

:smile: 微笑表情