Fix the table of contents numbering (databricks#51)

Author: MrPowers

README.md

@@ -11,64 +11,71 @@ Scala is an incredibly powerful language that is capable of many paradigms. We h
 
 ## <a name='TOC'>Table of Contents</a>
 
- 1. [Document History](#history)
- 1. [Syntactic Style](#syntactic)
- - [Naming Convention](#naming)
- - [Variable Naming Convention](#variable-naming)
- - [Line Length](#linelength)
- - [Rule of 30](#rule_of_30)
- - [Spacing and Indentation](#indent)
- - [Blank Lines (Vertical Whitespace)](#blanklines)
- - [Parentheses](#parentheses)
- - [Curly Braces](#curly)
- - [Long Literals](#long_literal)
- - [Documentation Style](#doc)
- - [Ordering within a Class](#ordering_class)
- - [Imports](#imports)
- - [Pattern Matching](#pattern-matching)
- - [Infix Methods](#infix)
- - [Anonymous Methods](#anonymous)
- 1. [Scala Language Features](#lang)
- - [Case Classes and Immutability](#case_class_immutability)
- - [apply Method](#apply_method)
- - [override Modifier](#override_modifier)
- - [Destructuring Binds](#destruct_bind)
- - [Call by Name](#call_by_name)
- - [Multiple Parameter Lists](#multi-param-list)
- - [Symbolic Methods (Operator Overloading)](#symbolic_methods)
- - [Type Inference](#type_inference)
- - [Return Statements](#return)
- - [Recursion and Tail Recursion](#recursion)
- - [Implicits](#implicits)
- - [Exception Handling (Try vs try)](#exception)
- - [Options](#option)
- - [Monadic Chaining](#chaining)
- 1. [Concurrency](#concurrency)
- - [Scala concurrent.Map](#concurrency-scala-collection)
- - [Explicit Synchronization vs Concurrent Collections](#concurrency-sync-vs-map)
- - [Explicit Synchronization vs Atomic Variables vs @volatile](#concurrency-sync-vs-atomic)
- - [Private Fields](#concurrency-private-this)
- - [Isolation](#concurrency-isolation)
- 1. [Performance](#perf)
- - [Microbenchmarks](#perf-microbenchmarks)
- - [Traversal and zipWithIndex](#perf-whileloops)
- - [Option and null](#perf-option)
- - [Scala Collection Library](#perf-collection)
- - [private[this]](#perf-private)
- 1. [Java Interoperability](#java)
- - [Java Features Missing from Scala](#java-missing-features)
- - [Traits and Abstract Classes](#java-traits)
- - [Type Aliases](#java-type-alias)
- - [Default Parameter Values](#java-default-param-values)
- - [Multiple Parameter Lists](#java-multi-param-list)
- - [Varargs](#java-varargs)
- - [Implicits](#java-implicits)
- - [Companion Objects, Static Methods and Fields](#java-companion-object)
- 1. [Testing](#testing)
- - [Intercepting Exceptions](#testing-intercepting)
- 1. [Miscellaneous](#misc)
- - [Prefer nanoTime over currentTimeMillis](#misc_currentTimeMillis_vs_nanoTime)
- - [Prefer URI over URL](#misc_uri_url)
+1. [Document History](#history)
+
+2. [Syntactic Style](#syntactic)
+ * [Naming Convention](#naming)
+ * [Variable Naming Convention](#variable-naming)
+ * [Line Length](#linelength)
+ * [Rule of 30](#rule_of_30)
+ * [Spacing and Indentation](#indent)
+ * [Blank Lines (Vertical Whitespace)](#blanklines)
+ * [Parentheses](#parentheses)
+ * [Curly Braces](#curly)
+ * [Long Literals](#long_literal)
+ * [Documentation Style](#doc)
+ * [Ordering within a Class](#ordering_class)
+ * [Imports](#imports)
+ * [Pattern Matching](#pattern-matching)
+ * [Infix Methods](#infix)
+ * [Anonymous Methods](#anonymous)
+
+1. [Scala Language Features](#lang)
+ * [Case Classes and Immutability](#case_class_immutability)
+ * [apply Method](#apply_method)
+ * [override Modifier](#override_modifier)
+ * [Destructuring Binds](#destruct_bind)
+ * [Call by Name](#call_by_name)
+ * [Multiple Parameter Lists](#multi-param-list)
+ * [Symbolic Methods (Operator Overloading)](#symbolic_methods)
+ * [Type Inference](#type_inference)
+ * [Return Statements](#return)
+ * [Recursion and Tail Recursion](#recursion)
+ * [Implicits](#implicits)
+ * [Exception Handling (Try vs try)](#exception)
+ * [Options](#option)
+ * [Monadic Chaining](#chaining)
+
+1. [Concurrency](#concurrency)
+ * [Scala concurrent.Map](#concurrency-scala-collection)
+ * [Explicit Synchronization vs Concurrent Collections](#concurrency-sync-vs-map)
+ * [Explicit Synchronization vs Atomic Variables vs @volatile](#concurrency-sync-vs-atomic)
+ * [Private Fields](#concurrency-private-this)
+ * [Isolation](#concurrency-isolation)
+
+1. [Performance](#perf)
+ * [Microbenchmarks](#perf-microbenchmarks)
+ * [Traversal and zipWithIndex](#perf-whileloops)
+ * [Option and null](#perf-option)
+ * [Scala Collection Library](#perf-collection)
+ * [private[this]](#perf-private)
+
+1. [Java Interoperability](#java)
+ * [Java Features Missing from Scala](#java-missing-features)
+ * [Traits and Abstract Classes](#java-traits)
+ * [Type Aliases](#java-type-alias)
+ * [Default Parameter Values](#java-default-param-values)
+ * [Multiple Parameter Lists](#java-multi-param-list)
+ * [Varargs](#java-varargs)
+ * [Implicits](#java-implicits)
+ * [Companion Objects, Static Methods and Fields](#java-companion-object)
+
+1. [Testing](#testing)
+ * [Intercepting Exceptions](#testing-intercepting)
+
+1. [Miscellaneous](#misc)
+ * [Prefer nanoTime over currentTimeMillis](#misc_currentTimeMillis_vs_nanoTime)
+ * [Prefer URI over URL](#misc_uri_url)