README.md in jekyll-theme-minimax-0.6.1 vs README.md in jekyll-theme-minimax-0.7.0

@@ -1,9 +1,20 @@
 # jekyll-theme-minimax
 
 Minimax is a Jekyll theme based on [Minima](https://github.com/jekyll/minima) with a little extension.
 
+- [jekyll-theme-minimax](#jekyll-theme-minimax)
+  - [Installation](#installation)
+  - [Usage](#usage)
+    - [Tag Cloud](#tag-cloud)
+    - [Category Archive](#category-archive)
+    - [Mathjax](#mathjax)
+    - [Table of Contents](#table-of-contents)
+  - [Contributing](#contributing)
+  - [Development](#development)
+  - [License](#license)
+
 ## Installation
 
 Add this line to your Jekyll site's `Gemfile`:
 
 ```ruby
@@ -24,14 +35,10 @@
 
     $ gem install jekyll-theme-minimax
 
 ## Usage
 
-- [Tag Cloud](#tag-cloud)
-- [Mathjax](#mathjax)
-- [Table of Contents](#table-of-contents)
-
 ### Tag Cloud
 
 In anywhere you want to show the tag cloud, insert `{% include tag_cloud.html %}`. 
 
 You can manually write a page for each tag to list all posts that are labeled with the tag. For example, you want to show all posts labeled with `jekyll`, then create a page `tag/jekyll.md`:
@@ -42,9 +49,13 @@
 tag: jekyll
 ---
 ```
 
 *Want free your hands*? Run a [script](scripts/tag-generator.py) to generate all tag pages automatically: `python scripts/tag-generator.py`.
+
+### Category Archive
+
+`{% include category_archive.html %}`
 
 ### Mathjax
 
 Minimax support Mathjax. You can write mathematical formulas in your posts if you set the `math` front matter to be `true` in these posts. [Example](_posts/2019-02-21-test-mathjax.md).