Update README.md

Author: IcterusGames

README.md

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 # SimpleGrassTextured
-Plugin to make grass on Godot 4
+This plugin for Godot 4 allows you to add grass and plants to your scene in a simple way
+![Preview Image](https://github.com/IcterusGames/SimpleGrassTexturedPreview/raw/main/previews/preview_03.jpg)
+
+
+## How to install
+
+### Using the AssetLib on Godot
+* Open the AssetLib tab on Godot and search "Simple Grass Textured"
+* Install the Simple Grass Textured plugin
+* Enable SimpleGrassTextured in `Project -> Project Settings -> Plugins`
+
+### Manual installation
+* Clone or download this repository
+* Copy the folder 'addons/simplegrasstextured' in your 'res://addons/' folder
+  - ![Preview folder](https://github.com/IcterusGames/SimpleGrassTexturedPreview/raw/main/previews/folder.png)
+* Enable SimpleGrassTextured in `Project -> Project Settings -> Plugins`
+
+## How to use
+
+Add a SimpleGrassTextured node to your terrain scene
+> Your terrain scene must have a StaticBody3D in order to draw grass on top of the terrain
+> - ![Preview scene](https://github.com/IcterusGames/SimpleGrassTexturedPreview/raw/main/previews/simple_scene.png)
+
+Select the SimpleGrassTextured node on your scene and draw on the terrain
+
+### How to use a custom mesh
+
+* Select the SimpleGrassTextured
+* Using the inspector load your custom mesh on the mesh propierty
+* On the Texture Albedo load your custom texture for the mesh
+
+![Preview custom mesh](https://github.com/IcterusGames/SimpleGrassTexturedPreview/raw/main/previews/preview_04.jpg)
+
+## Licence
+
+MIT
+
+### Assets Copyright/Attribution Notice:
+
+Texture grassbushcc008.png, Licence CC0, by FabinhoSC https://opengameart.org/content/stylized-grass-and-bush-textures-0