Update vscode extension readme

editors/vscode/README.md

@@ -4,18 +4,29 @@
 <h1 align="center">Tooling Language Server</h1>
 
 <div align="center">
-	<a href="https://marketplace.visualstudio.com/items?itemName=filiptibell.tooling-language-server">
-		<img src="https://vsmarketplacebadges.dev/version/filiptibell.tooling-language-server.png" alt="VSCode Marketplace" />
-	</a>
+  <a href="https://marketplace.visualstudio.com/items?itemName=filiptibell.tooling-language-server">
+    <img src="https://vsmarketplacebadges.dev/version/filiptibell.tooling-language-server.png" alt="VSCode Marketplace" />
+  </a>
 </div>
 
 <br/>
 
-A language server for several tools - [Aftman], [Cargo], [Foreman] and [Wally].
+A language server supporting several tools and package managers:
 
-Provides autocomplete for tools & dependencies, diagnostics for out-of-date versions, and more.
+- [Aftman](https://github.com/LPGhatguy/aftman) / [Foreman](https://github.com/roblox/foreman)
+- [Cargo](https://crates.io)
+- [NPM](https://www.npmjs.com)
+- [Wally](https://github.com/UpliftGames/wally)
 
-[Aftman]: https://github.com/LPGhatguy/aftman
-[Cargo]: https://crates.io
-[Foreman]: https://github.com/roblox/foreman
-[Wally]: https://github.com/UpliftGames/wally
+Provides autocomplete, diagnostics for out-of-date versions, and more. <br/>
+Check out the [features](#features) section for a full list of features.
+
+## Features
+
+- Autocomplete for names and versions
+- Hover for information - includes description, links to documentation & more
+- Diagnostics:
+  - A newer version is available
+  - The specified tool / package does not exist
+  - Unsupported platform / architecture / name
+- Quick actions on diagnostics - update to newest version