Removed the 'example' entries from the readme index as they don't really help with the navigation

Author: erickok

README.md

@@ -35,43 +35,27 @@ A Flutter widget for rendering HTML and CSS as Flutter widgets.
 
   - [Data](#data)
 
-    - [Example](#example-usage---data)
-
   - [onLinkTap](#onlinktap)
 
-    - [Example](#example-usage---onlinktap)
-
   - [customRender](#customrender)
 
-    - [Example](#example-usages---customrender)
-
   - [onImageError](#onimageerror)
 
-    - [Example](#example-usage---onimageerror)
-
   - [onImageTap](#onimagetap)
 
-    - [Example](#example-usage---onimagetap)
-
   - [blacklistedElements](#blacklistedelements)
 
-    - [Example](#example-usage---blacklistedelements)
-
   - [style](#style)
 
-    - [Example](#example-usage---style)
-
   - [navigationDelegateForIframe](#navigationdelegateforiframe)
 
-    - [Example](#example-usage---navigationdelegateforiframe)
-    
   - [customImageRender](#customimagerender)
 
     - [typedef ImageSourceMatcher (with examples)](#typedef-imagesourcematcher)
 
     - [typedef ImageRender (with examples)](#typedef-imagerender)
 
-    - [Examples](#example-usages---customimagerender)
+    - [Extended examples](#example-usages---customimagerender)
 
 - [Rendering Reference](#rendering-reference)