docs(vscode): update README.md (#828)

Author: alestiago

extensions/vscode/README.md

@@ -1,7 +1,7 @@
 [![Dart Frog Logo][logo_white]][dart_frog_link_dark]
 [![Dart Frog Logo][logo_black]][dart_frog_link_light]
 
-This is the [Dart Frog](https://dartfrog.vgv.dev/) [VS Code](https://code.visualstudio.com/) extension, which provides tools for effectively creating routes.
+This is the [Dart Frog](https://dartfrog.vgv.dev/) [VS Code](https://code.visualstudio.com/) extension, which provides tools for effectively managing Dart Frog projects.
 
 Developed with 💙 by [Very Good Ventures][very_good_ventures_link] 🦄
 
@@ -11,15 +11,17 @@ Dart Frog can be installed from the [VS Code Marketplace](https://marketplace.vi
 
 ## Commands
 
-| Command                     | Description                 |
-| --------------------------- | --------------------------- |
-| `Dart Frog: Create`         | Creates a new Dart Frog app |
-| `Dart Frog: Install CLI`    | Installs Dart Frog CLI      |
-| `Dart Frog: Update CLI`     | Updates Dart Frog CLI       |
-| `Dart Frog: New Route`      | Generates a new route       |
-| `Dart Frog: New Middleware` | Generates a new middleware  |
+| Command                     | Description                 | Launch from                     |
+| --------------------------- | --------------------------- | ------------------------------- |
+| `Dart Frog: Create`         | Creates a new Dart Frog app | Context menu or command palette |
+| `Dart Frog: Install CLI`    | Installs Dart Frog CLI      | Command palette                 |
+| `Dart Frog: Update CLI`     | Updates Dart Frog CLI       | Command palette                 |
+| `Dart Frog: New Route`      | Generates a new route       | Context menu or command palette |
+| `Dart Frog: New Middleware` | Generates a new middleware  | Context menu or command palette |
 
-You can activate the commands by launching the command palette (View -> Command Palette) and entering the command name or you can right click on the directory or file in which you'd like to create the route and select the command from the context menu.
+## Demonstration
+
+![demonstration](assets/new-route-middleware-usage.gif)
 
 [ci_link]: https://github.com/VeryGoodOpenSource/dart_frog/actions/workflows/main.yaml
 [dart_frog_link_dark]: https://github.com/verygoodopensource/dart_frog#gh-dark-mode-only