Fix for the image ratio issue in the recent blog post

[sajen-k]

fixed the image ratio issue

Please make sure to check the following boxes creating your pull request, thank you very much!

• Add Blog Header, including title, author, image, categories, tags, etc.

  For example:

  ---
  title: Your Great Blog Title
  author: your_github_id
  categories: project
  tags:
    - python
    - padlocal
  image: /assets/2021/02-your-blog-slug/teaser.jpg
  ---
  
  One line bio
  
  Your blog post content Your blog post content
  Your blog post content Your blog post content
  Your blog post content Your blog post content

  It will be easier to start drafting your post by using a existing post file as your template, for example, this one

• Keep all filenames lowercase, and use - to connect words instead of space. e.g. 2017-10-06-wechat-pc-impactor.md instead of 2017-10-06-WeChat PC Impactor.md

• Embed video/pdf from YouTube/Bilibili/local (if there's any) by using {% include iframe.html src="URL_or_PATH" %}. (Learn more about how to embed file/url in the post by reading this blog post

• Save photo to local before publishing, to a folder named by ${MONTH}-${YOUR_BLOG_SLUG}/ under /assets/2021/ directory.

• Select a beautiful and meaningful teaser image for your blog

• Create your contributor profile (if you are a first time contributor)

  For excample:

  jekyll/_contributors/lijiarui.md

  ---
  name: Jiarui LI (李佳芮)
  site: https://lijiarui.github.io
  bio: 句子互动创始人 & CEO，微软人工智能最具价值专家 (AI MVP)
  avatar: /jekyll/assets/contributors/lijiarui/avatar.png
  email: [email protected]
  twitter: https://weibo.com/u/2175505900
  ---

  Here is the example file:

  • lijiarui.md: https://github.com/wechaty/jekyll/blob/main/jekyll/_contributors/lijiarui.md
  • It will shown like this on wechaty website: https://wechaty.js.org/contributors/lijiarui/

To learn more about the contribute guideline, visit: https://wechaty.js.org/docs/contributor-program/

[sajen-k]

@huan This PR is for the image ratio fix.

[huan]

LGTM