Update table of contents.

Author: m-voit

study-project/paper.md

@@ -9,24 +9,22 @@ At the end of the paper there will be an evaluation and summary on how suitable
 
 ## Table of contents
 
-- [Compare functional programming in Go with JavaScript](#compare-functional-programming-in-go-with-javascript)
-  - [Table of contents](#table-of-contents)
-  - [JavaScript Overview](#javascript-overview)
-  - [Parser for Boolean expressions](#parser-for-boolean-expressions)
-  - [Functional programming concepts](#functional-programming-concepts)
-    - [Type system](#type-system)
-    - [Immutability](#immutability)
-    - [First-class functions](#first-class-functions)
-    - [Closures and lambda expressions](#closures-and-lambda-expressions)
-    - [Higher-order functions](#higher-order-functions)
-    - [Function composition](#function-composition)
-    - [Pure functions](#pure-functions)
-    - [Lazy evaluation](#lazy-evaluation)
-    - [Recursion and tail-call optimization](#recursion-and-tail-call-optimization)
-    - [Algebraic data types](#algebraic-data-types)
-    - [Pattern matching](#pattern-matching)
-  - [Summary](#summary)
-  - [References](#references)
+1. [JavaScript Overview](#javascript-overview)
+1. [Parser for Boolean expressions](#parser-for-boolean-expressions)
+1. [Functional programming concepts](#functional-programming-concepts)
+  1. [Type system](#type-system)
+  1. [Immutability](#immutability)
+  1. [First-class functions](#first-class-functions)
+  1. [Closures and lambda expressions](#closures-and-lambda-expressions)
+  1. [Higher-order functions](#higher-order-functions)
+  1. [Function composition](#function-composition)
+  1. [Pure functions](#pure-functions)
+  1. [Lazy evaluation](#lazy-evaluation)
+  1. [Recursion and tail-call optimization](#recursion-and-tail-call-optimization)
+  1. [Algebraic data types](#algebraic-data-types)
+  1. [Pattern matching](#pattern-matching)
+1. [Summary](#summary)
+1. [References](#references)
 
 ## JavaScript Overview