Add getting started, start customization

Author: András Kurai

Documentation/articles/Customization.md

@@ -0,0 +1,5 @@
+# Customization
+
+After pressing the `Generate Resource Paths` button, or visiting the `ResourceGenerator` page in the Project Settings an asset will be generated in the Assets folder, which will contain settings for the code generation.
+
+## Built-in settings

Documentation/articles/GettingStarted.md

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+# Getting Started
+
+The Unity Resource Generator is a Unity Editor tool which can generate a helper class which will create a helper class that contains paths to loadable Unity resources. Additionally it will also generate helper methods to load scenes.
+
+The generation of the class is customizable by default and the library also lets developers create custom code to run during generation.
+
+## Installation
+
+Use [OpenUPM](https://openupm.com/) to install the package.
+
+```
+openupm add com.autsoft.unityresourcegenerator
+```
+
+## Running the tool
+
+The tool will create new button in the Editor at `Tools / Generate Resource Paths`
+
+![Generate Button](~/images/intro/GenerateButton.png)
+
+If your click the button the helper class will be generated in the root of the `Assets` folder

Documentation/articles/intro.md

@@ -1,2 +1,4 @@
-- name: Introduction
-  href: intro.md
+- name: Getting Started
+  href: GettingStarted.md
+- name: Customization
+  href: Customization.md

Documentation/articles/toc.yml

@@ -52,3 +52,11 @@ namespace Sample
     }
 }
 ```
+
+## Installation
+
+Use [OpenUPM](https://openupm.com/) to install the package.
+
+```
+openupm add com.autsoft.unityresourcegenerator
+```