Update the first blog

_config.yml

@@ -294,3 +294,9 @@ defaults:
       comments: true
       share: true
       related: true
+      toc: true
+      toc_sticky: true
+      toc_label: Content
+      toc_icon: "fas fa-utensils"
+
+date_format: "%Y-%m-%d"

_posts/2024-06-12-first.md

@@ -3,23 +3,21 @@ layout: single
 title: "Welcome to Jekyll!"
 categories: coding
 tag: [python, blog, jekyll]
-toc: true
 author_profile: false
 sidebar:
     nav: "docs"
 ---
 
-# Welcome
-Markdown 으로 글을 작성하는 것을 좋아하기 때문에 Github Pages 를 이용해 블로그를 작성하기로 했다.
+**[Notice]** [Open my personal blog in GitHub](https://hojinpk.github.io/)
+{: .notice--primary}
 
-블로그 테마은 https://github.com/topics/jekyll-theme 에서 마음에 드는 것을 고르면 된다. 나는 가장 인기가 좋은 minimal-mistakes 테마를 선택했다.
+# My Nest
+I have decided to use GitHub Pages as my first blog from now on because it supports markdown grammar basically. The following video clip is for a sort of hello world that a newbie is looking for when they start to learn something; [https://www.youtube.com/watch?v=ACzFIAOsfpM](https://www.youtube.com/watch?v=ACzFIAOsfpM)
 
-마치 Hello World 같이 따라해보고 싶은 분은 이 곳 https://www.youtube.com/watch?v=ACzFIAOsfpM 동영상을 참고하길 바란다.
+`minimal-mistakes` that I have chose in [https://github.com/topics/jekyll-theme](https://github.com/topics/jekyll-theme) is my theme of the blog. As for the basic grammar of Jekyll, you can refer to the web site [https://jekyllrb.com/docs/posts/](https://jekyllrb.com/docs/posts/)
 
-블로그를 작성할 때는 기본적으로 지겨야하는 문법이 있는데 https://jekyllrb.com/docs/posts/ 에서 참고하자.
-
-## Blog Local Hosting
-To check instantly changes on your local repository, install Ruby and execute following command.
+## Local Hosting Blog
+Whenever there is changes in the blog, we can see the latest one after submitting changes in local to master in the public GitHub repository. It's tedious job for me at least. There is an alternative way to check it by installing Jekyll and its bundlers. 
 
 ```bat
 gem install jekyll
@@ -28,10 +26,9 @@ cd \hojinpk.github.io\
 bundle install
 bundle exec jekyll serve
 ```
-Refer to https://jekyllrb.com/docs/ or https://www.youtube.com/watch?v=0TeHUqSAb6Q
-
+Refer to [https://jekyllrb.com/docs/](https://jekyllrb.com/docs/) or [https://www.youtube.com/watch?v=0TeHUqSAb6Q](https://www.youtube.com/watch?v=0TeHUqSAb6Q) for  details.
 ## Troubleshooting
-I came accrose an error message whenever Jekyll server restarts and the installation environment is Windows 11, Ruby devkit-3.3.2-1-x64. 
+I came across an error message whenever Jekyll server restarts and the installation environment is Windows 11, Ruby devkit-3.3.2-1-x64. 
 
 ```bat
 C:\hojinpk.github.io>bundle exec jekyll serve --trace --verbose