fix: correct formatting in README.md for installation section

Author: twentyTwo

README.md

@@ -1,4 +1,7 @@
- **📖 For detailed configuration, advanced features, and complete documentation, see the [Simple Coding Time Tracker Guide](https://github.com/twentyTwo/vsc-ext-coding-time-tracker/wiki) in our wiki.**
+**📖 For detailed configuration, advanced features, and complete documentation, see the [Simple Coding Time Tracker Guide](https://github.com/twentyTwo/vsc-ext-coding-time-tracker/wiki) in our wiki.**
+
+📦 **Installation:** [VS Code Marketplace](https://marketplace.visualstudio.com/items?itemName=noorashuvo.simple-coding-time-tracker) (VS Code) | [Open VSX Registry](https://open-vsx.org/extension/noorashuvo/simple-coding-time-tracker) (Cursor, Windsurf, Trae, VS Codium etc) 
+
 
 # Simple Coding Time Tracker: A Visual Studio Code Extension
 <div style="display: flex; align-items: center;">