Updated README index. [ci skip]

README.md

@@ -12,17 +12,17 @@
 The Python dictionary for humans dealing with evil/complex data.
 
 ## Index
--   [Features](#features)
+-   ### [Features](#features)
--   [Requirements](#requirements)
+-   ### [Requirements](#requirements)
--   [Installation](#installation)
+-   ### [Installation](#installation)
--   [Usage](#usage)
+-   ### [Usage](#usage)
-    -   [Basics](#basics)
+    -   #### [Basics](#basics)
-    -   [Keypath](#keypath)
+    -   #### [Keypath](#keypath)
         -   [List keypaths](#list-keypaths)
         -   [Custom keypath separator](#custom-keypath-separator)
         -   [Disable keypath functionality](#disable-keypath-functionality)
--   [API](#api)
+-   ### [API](#api)
-    -   [I/O](#io)
+    -   #### [I/O](#io)
         -   [`from_json`](#from_json)
         -   [`from_toml`](#from_toml)
         -   [`from_xml`](#from_xml)
@@ -31,7 +31,7 @@ The Python dictionary for humans dealing with evil/complex data.
         -   [`to_toml`](#to_toml)
         -   [`to_xml`](#to_xml)
         -   [`to_yaml`](#to_yaml)
-    -   [Parse](#parse)
+    -   #### [Parse](#parse)
         -   [`get_bool`](#get_bool)
         -   [`get_bool_list`](#get_bool_list)
         -   [`get_datetime`](#get_datetime)
@@ -51,7 +51,7 @@ The Python dictionary for humans dealing with evil/complex data.
         -   [`get_slug_list`](#get_slug_list)
         -   [`get_str`](#get_str)
         -   [`get_str_list`](#get_str_list)
-    -   [Utility](#utility)
+    -   #### [Utility](#utility)
         -   [`clean`](#clean)
         -   [`clone`](#clone)
         -   [`dump`](#dump)
@@ -60,8 +60,8 @@ The Python dictionary for humans dealing with evil/complex data.
         -   [`merge`](#merge)
         -   [`remove`](#remove)
         -   [`subset`](#subset)
--   [Testing](#testing)
+-   ### [Testing](#testing)
--   [License](#license)
+-   ### [License](#license)
 
 ## Features
 -   Full **keypath** support *(using the dot syntax by default)*