Update README.md

Author: mphe

README.md

@@ -11,12 +11,13 @@ The last Godot 3.x version can be found on the [3.x branch](https://github.com/m
 # Setup
 
 1. Get the addon
+    * [Download](https://godotengine.org/asset-library/asset/2334) from the asset store, or
     * [Download](https://github.com/mphe/GDNative-Ropesim/releases/latest) the latest release from the release page, or
     * [Download](https://github.com/mphe/GDNative-Ropesim/actions) it from the latest GitHub Actions run, or
     * [Compile](#building) it yourself.
-2. Copy or symlink `addons/ropesim` to your project's `addons/` directory
-3. Enable the addon in the project settings
-4. Restart Godot
+3. Copy or symlink `addons/ropesim` to your project's `addons/` directory
+4. Enable the addon in the project settings
+5. Restart Godot
 
 # Building