update TOC links

index.md

@@ -97,14 +97,11 @@ This simple model makes them easy to understand and rely on.
   [reddit](#reddit)  
   [twitter](#twitter)  
 [docs](#docs)  
-  [concepts](#concepts)  
+  [accounting](#accounting)  
   [comparisons](#comparisons)  
-  [online books](#online-books)  
   [presentations](#presentations)  
   [videos](#videos)  
-  [articles](#articles)  
-  [blog posts](#blog-posts)  
-  [inspiration](#inspiration)  
+  [articles & blog posts](#articles-blog-posts)  
 [common tasks](#common-tasks)  
   [choosing accounts](#choosing-accounts)  
   [entering data](#entering-data)