Update Documentation

Author: litefeel

Documentation~/index.md

@@ -1,4 +1,4 @@
-## Bitmap Font Importer
+# Bitmap Font Importer
 
 [![Build Status](https://travis-ci.org/litefeel/Unity-BitmapFontImporter.svg?branch=master)](https://travis-ci.org/litefeel/Unity-BitmapFontImporter)
 [![Join the chat at https://gitter.im/litefeel/Unity-BitmapFontImporter](https://badges.gitter.im/litefeel/Unity-BitmapFontImporter.svg)](https://gitter.im/litefeel/Unity-BitmapFontImporter?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
@@ -11,7 +11,7 @@ It easy imports any bitmap font generated by third party tools like:[littera][1]
 
 Thiks @Xylph, this origin code form [here](http://forum.unity3d.com/threads/unity-4-6-bitmap-font.265209/)
 
-**Feature list:**
+## Feature
 
 - Free
 - Auto Import bitmap fonts
@@ -24,12 +24,32 @@ Thiks @Xylph, this origin code form [here](http://forum.unity3d.com/threads/unit
 - No scripting required
 
 
-**How to Use?**
+## Install
+
+#### Using UnityPackageManager (for Unity 2018.3+)
+
+Find the manifest.json file in the Packages folder of your project and edit it to look like this:
+``` js
+{
+  "dependencies": {
+    "com.litefeel.bitmapfontimporter": "https://github.com/litefeel/Unity-BitmapFontImporter.git#upm",
+    ...
+  }
+}
+```
+
+#### Using .zip file (for Unity 5.0+)
+
+1. Download `Source code` from [Releases](https://github.com/litefeel/Unity-BitmapFontImporter/releases)
+2. Extract the package into your Unity project
+
+
+## How to Use?
 
 Please see [here][howtouse]
 
 
-**Support**
+## Support
 
 - Create issues by [issues][issues] page
 - Send email to me: <litefeel@gmail.com>

README.md

@@ -1,4 +1,4 @@
-## Bitmap Font Importer
+# Bitmap Font Importer
 
 [![Build Status](https://travis-ci.org/litefeel/Unity-BitmapFontImporter.svg?branch=master)](https://travis-ci.org/litefeel/Unity-BitmapFontImporter)
 [![Join the chat at https://gitter.im/litefeel/Unity-BitmapFontImporter](https://badges.gitter.im/litefeel/Unity-BitmapFontImporter.svg)](https://gitter.im/litefeel/Unity-BitmapFontImporter?utm_source=badge&utm_medium=badge&utm_campaign=pr-badge&utm_content=badge)
@@ -11,7 +11,7 @@ It easy imports any bitmap font generated by third party tools like:[littera][1]
 
 Thiks @Xylph, this origin code form [here](http://forum.unity3d.com/threads/unity-4-6-bitmap-font.265209/)
 
-**Feature list:**
+## Feature
 
 - Free
 - Auto Import bitmap fonts
@@ -24,12 +24,32 @@ Thiks @Xylph, this origin code form [here](http://forum.unity3d.com/threads/unit
 - No scripting required
 
 
-**How to Use?**
+## Install
+
+#### Using UnityPackageManager (for Unity 2018.3+)
+
+Find the manifest.json file in the Packages folder of your project and edit it to look like this:
+``` js
+{
+  "dependencies": {
+    "com.litefeel.bitmapfontimporter": "https://github.com/litefeel/Unity-BitmapFontImporter.git#upm",
+    ...
+  }
+}
+```
+
+#### Using .zip file (for Unity 5.0+)
+
+1. Download `Source code` from [Releases](https://github.com/litefeel/Unity-BitmapFontImporter/releases)
+2. Extract the package into your Unity project
+
+
+## How to Use?
 
 Please see [here][howtouse]
 
 
-**Support**
+## Support
 
 - Create issues by [issues][issues] page
 - Send email to me: <litefeel@gmail.com>