docs: add status badges and an install table to the README

Author: fi3ework

README.md

@@ -1,11 +1,27 @@
 # Rstack Editor
 
+<p>
+  <a href="https://github.com/rstackjs/rstack-editor/actions/workflows/ci.yml"><img src="https://img.shields.io/github/actions/workflow/status/rstackjs/rstack-editor/ci.yml?branch=main&style=flat-square&colorA=564341&colorB=EDED91" alt="CI status" /></a>
+  <a href="https://marketplace.visualstudio.com/items?itemName=rstack.rstack"><img src="https://vsmarketplacebadges.dev/version/rstack.rstack.svg?style=flat-square&label=VS%20Marketplace&labelColor=564341&color=EDED91" alt="VS Marketplace version" /></a>
+  <a href="https://open-vsx.org/extension/rstack/rstack"><img src="https://img.shields.io/open-vsx/v/rstack/rstack?style=flat-square&label=Open%20VSX&colorA=564341&colorB=EDED91" alt="Open VSX version" /></a>
+  <a href="https://github.com/rstackjs/rstack-editor/blob/main/LICENSE"><img src="https://img.shields.io/badge/License-MIT-blue.svg?style=flat-square&colorA=564341&colorB=EDED91" alt="license" /></a>
+</p>
+
 Rstack Editor provides unified editor support for [Rstack](https://rstack.rs), the fast, unified JavaScript toolchain for developers and agents. It integrates [Rslint](https://github.com/web-infra-dev/rslint), [Rstest](https://github.com/web-infra-dev/rstest) and [rstack-cli](https://github.com/rstackjs/rstack-cli) into a single extension, so one install covers the whole toolchain.
 
 > [!IMPORTANT]
 >
 > **Work in progress.** Rstack Editor is pre-1.0 and under active development. Settings, command ids and behavior can change between releases, and not every config source is wired up yet — see the roadmap below for what works today. Bug reports and feedback are very welcome.
 
+## Install
+
+| Registry | Editors | Version | Installs |
+| --- | --- | --- | --- |
+| [VS Code Marketplace](https://marketplace.visualstudio.com/items?itemName=rstack.rstack) | VS Code | [![VS Marketplace version](https://vsmarketplacebadges.dev/version-short/rstack.rstack.svg?style=flat-square&label=version&labelColor=564341&color=EDED91)](https://marketplace.visualstudio.com/items?itemName=rstack.rstack) | [![VS Marketplace installs](https://vsmarketplacebadges.dev/installs-short/rstack.rstack.svg?style=flat-square&labelColor=564341&color=EDED91)](https://marketplace.visualstudio.com/items?itemName=rstack.rstack) |
+| [Open VSX Registry](https://open-vsx.org/extension/rstack/rstack) | Cursor, Trae, VSCodium, and other VS Code forks | [![Open VSX version](https://img.shields.io/open-vsx/v/rstack/rstack?style=flat-square&label=version&colorA=564341&colorB=EDED91)](https://open-vsx.org/extension/rstack/rstack) | [![Open VSX downloads](https://img.shields.io/open-vsx/dt/rstack/rstack?style=flat-square&label=downloads&colorA=564341&colorB=EDED91)](https://open-vsx.org/extension/rstack/rstack) |
+
+Or search for `rstack.rstack` in the editor's Extensions view.
+
 ## Packages
 
 | Name | Description |