docs(readme): Add Table of Contents (#66)

* chore: Add Doctoc dependency

* docs(readme): Add Table of Contents

Author: francoischalifour

README.md

@@ -6,6 +6,26 @@
 
 `create-instantsearch-app` is a command line utility that helps you quick start your InstantSearch app using any [Algolia][algolia-website] InstantSearch flavor ([InstantSearch.js][instantsearchjs-github], [React InstantSearch][react-instantsearch-github], [Vue InstantSearch][vue-instantsearch-github] and [Angular InstantSearch][angular-instantsearch-github]).
 
+<details>
+  <summary><strong>Table of contents</strong></summary>
+
+
+<!-- START doctoc generated TOC please keep comment here to allow auto update -->
+<!-- DON'T EDIT THIS SECTION, INSTEAD RE-RUN doctoc TO UPDATE -->
+
+
+- [Get started](#get-started)
+- [Usage](#usage)
+- [API](#api)
+  - [Lifecycle](#lifecycle)
+  - [Templates](#templates)
+- [Previews](#previews)
+- [License](#license)
+
+<!-- END doctoc generated TOC please keep comment here to allow auto update -->
+
+</details>
+
 ## Get started
 
 > The tool requires Node ≥ 8.
@@ -55,8 +75,6 @@ $ create-instantsearch-app --help
     -h, --help                                         output usage information
 ```
 
-### Options documentation
-
 #### `--template`
 
 Supported templates are:
@@ -67,6 +85,10 @@ Supported templates are:
 - [`Vue InstantSearch`][vue-instantsearch-github]
 - [`Angular InstantSearch`][angular-instantsearch-github]
 
+```
+create-instantsearch-app my-app --template "React InstantSearch"
+```
+
 You can also [create your own template](#templates) and specify its path.
 
 #### `--config`

package.json

@@ -17,6 +17,7 @@
     "lint": "eslint .",
     "lint:fix": "yarn lint --fix",
     "format": "prettier --write *.{js,md,json}",
+    "doctoc": "doctoc --maxlevel 3 README.md",
     "changelog": "conventional-changelog -p angular -i CHANGELOG.md -s -r 0",
     "release-templates": "node ./scripts/release-templates",
     "release": "release-it",
@@ -47,6 +48,7 @@
   "devDependencies": {
     "babel-eslint": "8.2.3",
     "conventional-changelog-cli": "2.0.1",
+    "doctoc": "1.3.1",
     "eslint": "4.19.1",
     "eslint-config-algolia": "13.1.0",
     "eslint-config-prettier": "2.9.0",