Update GDScript documentation (#41142)

Douglas LeΓ£o created

Some information in the GDScript documentation page was outdated (like
it still treats Zed if it was a macOS exclusive app) or some details
were missing.

- The `zed-gdscript` URL has been updated with the new owner.
- Pre-requisites added (with netcat included).
- Godot installation steps removed, it's now listed in the
pre-requisites.
- Setup steps simplified and reworded.

The note at the bottom was removed as I didn't see the issue in my end.

Release Notes:

- N/A

Change summary

docs/src/languages/gdscript.md | 33 +++++++++++++++------------------
1 file changed, 15 insertions(+), 18 deletions(-)

Detailed changes

docs/src/languages/gdscript.md πŸ”—

@@ -1,29 +1,26 @@
 # GDScript
 
-Godot [GDScript](https://gdscript.com/) language support in Zed is provided by the community-maintained [GDScript extension](https://github.com/grndctrl/zed-gdscript).
-Report issues to: [https://github.com/grndctrl/zed-gdscript/issues](https://github.com/grndctrl/zed-gdscript/issues)
+Godot [GDScript](https://gdscript.com/) language support in Zed is provided by the community-maintained [GDScript extension](https://github.com/GDQuest/zed-gdscript).
+Report issues to: [https://github.com/GDQuest/zed-gdscript/issues](https://github.com/GDQuest/zed-gdscript/issues)
 
 - Tree-sitter: [PrestonKnopp/tree-sitter-gdscript](https://github.com/PrestonKnopp/tree-sitter-gdscript) and [PrestonKnopp/tree-sitter-godot-resource](https://github.com/PrestonKnopp/tree-sitter-godot-resource)
 - Language Server: [gdscript-language-server](https://github.com/godotengine/godot)
 
-## Setup
+## Pre-requisites
 
-1. Download and install [Godot for macOS](https://godotengine.org/download/macos/).
-2. Unzip the Godot.app and drag it into your /Applications folder.
-3. Open Godot.app and open your project (an example project is fine)
-4. In Godot, Editor Menu -> Editor Settings; scroll down the left sidebar to `Text Editor -> External`
-   1. Use External Editor: "βœ… On"
-   2. Exec path: `/Applications/Zed.app/Contents/MacOS/zed`
-   3. Exec flags: `{project} {file}:{line}:{col}`
-   4. Close settings to save.
-5. In Godot double click on a \*.gd script and Zed will launch
+You will need:
 
-<!--
-TBD: GDScript Linux setup
--->
+- [Godot](https://godotengine.org/download/).
+- netcat (`nc` or `ncat`) on your system PATH.
 
-## Usage
+## Setup
 
-When Godot is running, the GDScript extension will connect to the language server provided by the Godot runtime and will provide `jump to definition`, hover states when you hold cmd and other language server features.
+1. Inside your Godot editor, open Editor Settings, look for `Text Editor -> External` and set the following options:
+   - Exec Path: `/path/to/zed`
+   - Exec Flags: `{project} {file}:{line}:{col}`
+   - Use External Editor: "βœ… On"
+2. Open any \*.gd file through Godot and Zed will launch.
+
+## Usage
 
-> Note: If Zed is already running with an existing workspace, spawning from Godot will fail. Quit Zed and it should work again.
+When Godot is running, the GDScript extension will connect to the language server provided by the Godot runtime and will provide `jump to definition`, hover states when you hold Ctrl/cmd and other language server features.