Enable table of contents on GitHub Pages.

PiperOrigin-RevId: 716596965
Change-Id: Ibefcf9c25cfef274feed5559099cc70062e00352

Author: ejania

docs/_config.yml

@@ -2,6 +2,7 @@ theme: jekyll-theme-minimal
 markdown: kramdown
 kramdown:
   parse_block_html: true
+  toc_levels: 1..3
 plugins:
   - jekyll-relative-links
   - jekyll-sitemap

docs/error_message.md

@@ -1,5 +1,8 @@
 # Add user friendly error messages
 
+* TOC
+{:toc}
+
 When Koda developers find a case where the error message is not readable,
 contains a lot of internal implementation details or is not user oriented, this
 document provides a way to improve it.

docs/fundamentals.md

@@ -7,6 +7,9 @@ through the guide in order for new users to use Koda effectively.
 
 Also see [Koda Cheatsheet](cheatsheet.md) for quick references.
 
+* TOC
+{:toc}
+
 ## Vectorization of Structured Data
 
 Koda introduces new data structures and concepts which allow working with any

docs/glossary.md

@@ -1,5 +1,8 @@
 # koda Glossaries
 
+* TOC
+{:toc}
+
 ## Basics
 
 #### .

docs/index.md

@@ -1,5 +1,8 @@
 # Koda
 
+* TOC
+{:toc}
+
 ## Koda
 
 Koda is a **Python + C++ library** that provides a **data representation** and

docs/koda_v1_api_reference.md

@@ -6,6 +6,9 @@ This document lists public **Koda** APIs, including operators (accessible from
 `kd` and `kde` packages) and methods of main abstractions (e.g.
 DataSlice, DataBag, etc.).
 
+* TOC
+{:toc}
+
 Category  | Subcategory | Description
 --------- | ----------- | ------------
 [kd](#kd_category) | | `kd` and `kde` operators

docs/overview.md

@@ -8,6 +8,9 @@ users. You can see more detailed introduction in the
 
 Also see [Koda Cheatsheet](cheatsheet.md) for quick references.
 
+* TOC
+{:toc}
+
 ## Why Koda
 
 ### Koda Distinguishing Features