Add table of contents

CONTRIBUTING.md

@@ -1,7 +1,21 @@
-# Contributing
+# Contributing <!-- omit in toc -->
 
 You're welcome to contribute to the [code](#contributing-to-the-code) or to the [translations](#contributing-to-the-translations)!
 
+---
+
+## Table of contents <!-- omit in toc -->
+
+- [Contributing to the code](#contributing-to-the-code)
+	- [Coding style](#coding-style)
+	- [Copyright notice](#copyright-notice)
+	- [Themes and unit tests](#themes-and-unit-tests)
+- [Contributing to the translations](#contributing-to-the-translations)
+	- [Updating an existing translation](#updating-an-existing-translation)
+	- [Adding a new translation](#adding-a-new-translation)
+
+---
+
 ## Contributing to the code
 
 You'll need `make` and [NPM](https://www.npmjs.com/) to install the development dependencies:

README.md

@@ -1,4 +1,4 @@
-# Night Theme Switcher
+# Night Theme Switcher <!-- omit in toc -->
 
 ![](./res/screenshot.png)
 <!-- Background picture by Adrien Converse from https://unsplash.com/photos/kCrrUx7US04 -->
@@ -7,6 +7,19 @@ Automatically toggle your light and dark GTK, GNOME Shell, icon and cursor theme
 
 Supports Night Light, Location Services, manual schedule and on-demand switch.
 
+---
+
+## Table of contents <!-- omit in toc -->
+
+- [Theme compatibility](#theme-compatibility)
+	- [GTK themes](#gtk-themes)
+	- [Shell themes](#shell-themes)
+- [Graphical installation](#graphical-installation)
+- [Command line installation](#command-line-installation)
+- [Contributing](#contributing)
+
+---
+
 ## Theme compatibility
 
 These themes have been tested and work out of the box without any configuration. Other themes might work as well, let me know if there is a specific theme you'd like supported! And you can also manually set your day and night variants.