Added rider plugin and turned Empowered Action into a forge-resources-managed ability

addons/rider-plugin/README.md

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+# JetBrains Rider Integration – Godot addon
+
+This addon currently provides two features:
+1. Finds all Rider installations in the system and provides a selector on the `Text Editor` -> `External` tab in the settings to select one.
+2. Provides the "Use Rider" toggle in the Godot toolbar and, when enabled, applies a set of editor settings recommended for working with JetBrains Rider. The goal is to make it trivial to switch between Rider‑optimized settings and stock Godot settings with a single click.
+
+## Quick start
+
+Requirements:
+- Godot 4.2.2+
+
+Install:
+1. Inside the Godot editor, it can be installed from the AssetLib view or [downloaded](https://godotengine.org/asset-library/asset/4576)
+2. [Optional] Change the initial value of `active` in the plugin.cfg
+3. [Optional] Change the initial values in the presets.json file.
+4. Enable "JetBrains Rider External Editor" plugin in the Project → Project Settings… → Plugins tab.
+
+Use:
+- A toolbar toggle named "Use Rider" will appear. Click it to turn the preset On/Off.
+
+Screenshot:
+![Toolbar toggle](screenshots/Toolbar.png)
+
+## What the toggle changes
+
+The preset values live in `presets.json`.
+
+When ON:
+- Write the values from the "on" preset into the Editor Settings.
+
+When OFF:
+- Write the values from the "off" preset into the Editor Settings.
+
+Note: The plugin does not currently auto‑set Rider’s executable path or flags. See Plans below.
+
+## Setting Rider to be the external editor
+
+The plugin automatically detects installed Rider versions on your system and provides a convenient dropdown menu to
+select which installation to use as your external editor.
+
+- The plugin scans common installation locations for Rider on Windows, macOS, and Linux.
+- Detected installations appear in the "Select Rider" dropdown in the toolbar.
+- When you select a Rider installation, the plugin automatically updates the `dotnet/editor/external_editor_path` editor
+  setting.
+
+## License
+See `addons/rider-plugin/LICENCE`.
+
+## Acknowledgements
+Created by JetBrains to streamline using Rider with Godot. 
+Initial idea https://github.com/sszigeti/toggle_external_editor