docs: add docs for setting ToC

exampleSite/content/posts/table-of-content/index.md

@@ -1,26 +1,41 @@
 ---
-title: How to enable table of content
+title: Table of content
 date: 2023-05-02
 description: Setup table of content in Hugo blog awesome theme
 ---
 
 ## Table of content
 
-This theme supports displaying table of content in blog posts.
+This theme supports displaying table of content (ToC) in blog posts.
 
-To enable it, globally set `toc` to `true` in `config.toml`:
+## Enable table of content on all posts
+
+To enable ToC on all posts (globally) set parameter `toc` to `true` in `config.toml`.
 
 ```toml
 [params]
   toc = true
 ```
 
-This will enable table of content for all posts. If you want to enable it for a specific post, add `toc = true` to the front matter of the post:
+To disable ToC globally, simply ignore the `toc` parameter or set it to `false`.
+
+## Disable table of content on certain posts
 
-```yaml
----
-title: How to enable table of content
-date: 2023-05-02
-toc: true
----
-```
+To disable ToC on certain posts, you have to follow two steps.
+
+1.  Set parameter `toc` to `true` in `config.toml`.
+
+    ```toml
+    [params]
+      toc = true
+    ```
+
+2.  Add `toc = false` to the front matter of the post for which you wish to disable ToC.
+
+    ```yaml
+    ---
+    title: How to enable table of content
+    date: 2023-05-02
+    toc: false
+    ---
+    ```