docs: add README for Rslint VS Code extension (#248)

Author: chenjiahan

packages/vscode-extension/README.md

@@ -0,0 +1,51 @@
+# Rslint VS Code Extension
+
+The official VS Code extension for [Rslint](https://github.com/web-infra-dev/rslint), a high-performance JavaScript and TypeScript linter written in Go.
+
+## 📦 Installation
+
+- **VS Code**: Install the extension from the [VS Code Marketplace](https://marketplace.visualstudio.com/items?itemName=rstack.rslint)
+- **Cursor/Trae**: Install the extension from the [Open VSX Registry](https://open-vsx.org/extension/rstack/rslint).
+
+## ⚙️ Configuration
+
+The extension can be configured through VS Code settings:
+
+### rslint.enable
+
+- **Type:** `boolean`
+- **Default:** `true`
+
+Enable/disable Rslint.
+
+### rslint.binPath
+
+- **Type:** `"local"` | `"built-in"` | `"custom"`
+- **Default:** `"local"`
+
+Choose which Rslint binary to use:
+
+- `local`: Use workspace node_modules Rslint binary
+- `built-in`: Use extension's built-in Rslint binary
+- `custom`: Use a custom path to Rslint binary
+
+### rslint.customBinPath
+
+- **Type:** `string`
+- **Default:** `undefined`
+
+Custom path to Rslint executable. Only used when `rslint.binPath` is set to `custom`. Requires reloading VS Code to take effect.
+
+### rslint.trace.server
+
+- **Type:** `"off"` | `"messages"` | `"verbose"`
+- **Default:** `"off"`
+
+Traces the communication between VS Code and the language server.
+
+## 💬 Community
+
+Join our community:
+
+- [GitHub](https://github.com/web-infra-dev/rslint) - Report bugs and request features
+- [Discord](https://discord.gg/uPSudkun2b) - Chat with the team and community

scripts/dictionary.txt

@@ -90,6 +90,7 @@ subclassing
 symb
 symbolname
 thenables
+trae
 tses
 tseslint
 tsgo