docs: add Windsurf/Open VSX install badges and Windsurf details (#617)

* docs: add Windsurf/Open VSX install badges and Windsurf details

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: add local Open VSX icon and reference it in README

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: expand VS Code section to cover all Chromium-based editors

- Renamed section to 'VS Code Extension (Chromium)'
- Updated description to mention all supported forks
- Collapsed all Open VSX install commands into one <details> block
- Added Cursor, Trae (ByteDance), Kiro (AWS), Void install commands

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

* docs: restore VS Code marketplace installs count badge

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

---------

Co-authored-by: Copilot <223556219+Copilot@users.noreply.github.com>

Author: rajbos

README.md

@@ -21,25 +21,45 @@ Track your GitHub Copilot token usage and AI Fluency across VS Code, Visual Stud
 
 ## Pick your tool
 
-### 🖥️ VS Code Extension
+### 🖥️ VS Code Extension (Chromium)
 
-Real-time token usage in the status bar, fluency score dashboard, usage analysis, cloud sync, and more.
+Real-time token usage in the status bar, fluency score dashboard, usage analysis, cloud sync, and more. Works with all Chromium-based VS Code forks — VS Code, Windsurf, Cursor, VSCodium, Trae, Kiro, Void, and more.
 
-[![VS Code installs](https://vsmarketplacebadges.dev/installs-short/RobBos.copilot-token-tracker.svg?label=VS%20Code%20installs)](https://marketplace.visualstudio.com/items?itemName=RobBos.copilot-token-tracker)
-
-[![Open VSX installs](https://img.shields.io/open-vsx/dt/RobBos/copilot-token-tracker?label=Open%20VSX%20installs)](https://open-vsx.org/extension/RobBos/copilot-token-tracker)
+[![Install - VS Code](https://img.shields.io/badge/Install-VS%20Code-007ACC?logo=visualstudiocode)](https://marketplace.visualstudio.com/items?itemName=RobBos.copilot-token-tracker) [![VS Code installs](https://vsmarketplacebadges.dev/installs-short/RobBos.copilot-token-tracker.svg?label=VS%20Code%20installs)](https://marketplace.visualstudio.com/items?itemName=RobBos.copilot-token-tracker) [![Install - Windsurf (Open VSX)](https://img.shields.io/badge/Install-Windsurf-00B4D8?logo=open-vsx)](https://open-vsx.org/extension/RobBos/copilot-token-tracker) [![Open VSX installs](https://img.shields.io/open-vsx/dt/RobBos/copilot-token-tracker?label=Open%20VSX%20installs)](https://open-vsx.org/extension/RobBos/copilot-token-tracker)
 
 ```bash
 # Install from the VS Code Marketplace
 ext install RobBos.copilot-token-tracker
+```
+
+<details>
+<summary>📦 Install in other Chromium-based editors (Open VSX)</summary>
 
-# Install from Open VSX (VSCodium)
+```bash
+# VSCodium
 codium --install-extension RobBos.copilot-token-tracker
 
-# Install from Open VSX (Code OSS)
+# Code OSS
 code --install-extension RobBos.copilot-token-tracker
+
+# Windsurf
+windsurf --install-extension RobBos.copilot-token-tracker
+
+# Cursor
+cursor --install-extension RobBos.copilot-token-tracker
+
+# Trae (ByteDance)
+trae --install-extension RobBos.copilot-token-tracker
+
+# Kiro (AWS)
+kiro --install-extension RobBos.copilot-token-tracker
+
+# Void
+void --install-extension RobBos.copilot-token-tracker
 ```
 
+</details>
+
 📖 [Full VS Code extension documentation](docs/vscode-extension/README.md)
 
 ---