docs: use new nuxi module add command in installation

Author: danielroe

apps/docs/content/0.index.md

@@ -14,7 +14,7 @@ cta:
 secondary:
   - Open on GitHub →
   - https://github.com/gaetansenn/vunix
-snippet: yarn add @vunix/vue 
+snippet: npx nuxi@latest module add vunix
 ---
 
 #title

apps/docs/content/1.get-started/2.installation.md

@@ -8,21 +8,9 @@ constrainedClass: 'max-w-4xl'
 ## New Project with Nuxt.js
 
 1. Install the dependencies in your Nuxt project:
-
-::code-group
-
-  ```bash [yarn]
-  yarn add @vunix/nuxt
-  ```
-
-  ```bash [npm]
-  npm install @vunix/nuxt
-  ```
-
-  ```bash [pnpm]
-  pnpm install @vunix/nuxt
-  ```
-::
+```bash
+npx nuxi@latest module add vunix
+```
 
 2. Configure your `nuxt.config.ts` to load the module
 
@@ -56,21 +44,9 @@ Check the [nuxt-example](https://github.com/gaetansenn/vunix/tree/main/apps/nuxt
 ## New project with Vue.js
 
 1. Install the dependencies in your Vue project:
-
-::code-group
-
-  ```bash [yarn]
-  yarn add @vunix/vue
-  ```
-
-  ```bash [npm]
-  npm install @vunix/vue
-  ```
-
-  ```bash [pnpm]
-  pnpm install @vunix/vue
-  ```
-::
+```bash
+npx nuxi@latest module add vunix
+```
 
 ### Global components import
 1. Add the Vunix vue plugin to your app