Added installation guide

docs/index.rst

@@ -16,6 +16,7 @@ Feel free to make any contributions you want, whether it be through creating an
    :maxdepth: 1
    :caption: General
 
+   installing
    migrating
 
 .. toctree::

docs/installing.rst

@@ -0,0 +1,51 @@
+.. include:: ./vars.rst
+
+Installing discord.js
+=====================
+
+To install discord.js, you need a few dependencies.
+
+.. warning:: **When installing with any of these methods, you'll encounter some errors.** This is because an optional dependency isn't working properly, but discord.js should still work fine.
+
+-----------
+
+Windows
+-------
+
+------------
+
+ - You need `Visual Studio`_ and `Python 2.7`_.
+
+Your Visual Studio installation ideally has to be recent, but you can try installing without it first. You can use **Express, Community, Enteprise** or any others apart from ``VS Code``.
+
+After you have installed these things, to install just run: ``npm install --save --msvs_version=2015 discord.js`` to install the latest version of discord.js for your project.
+
+Additional Audio Support
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+- Install `ffmpeg`_ and add it to your PATH.
+
+-----------
+
+Linux
+-----
+
+-----------
+
+.. code-block:: bash
+
+	$ apt-get install make build-essentials
+	$ npm install --save discord.js
+	
+	
+	
+Additional Audio Support
+~~~~~~~~~~~~~~~~~~~~~~~~
+
+.. code-block:: bash
+
+	$ apt-get install libav-tools
+
+.. _Visual Studio : https://www.visualstudio.com/downloads/download-visual-studio-vs
+.. _Python 2.7 : https://www.python.org/download/releases/2.7.8/
+.. _ffmpeg : https://www.ffmpeg.org/download.html