docs: update installation.md

docs/guide/getting-started/installation.md

@@ -2,10 +2,22 @@
 
 You can install NuxtAuth using nuxi:
 
-```bash
-npx nuxi@latest module add sidebase-auth
+::: code-group
+
+```bash [npm]
+npx nuxi module add sidebase-auth
+```
+
+```bash [pnpm]
+pnpm exec nuxi module add sidebase-auth
 ```
 
+```bash [yarn]
+yarn dlx nuxi module add sidebase-auth
+```
+
+:::
+
 ::: details Manual installation
 
 ::: code-group
@@ -19,7 +31,7 @@
 ```
 
 ```bash [yarn]
-yarn add --dev @sidebase/nuxt-auth
+yarn add -D @sidebase/nuxt-auth
 ```
 
 :::
@@ -30,10 +42,8 @@
 
 ```ts [nuxt.config.ts]
 export default defineNuxtConfig({
-  modules: [
-    '@sidebase/nuxt-auth',
-  ],
-})
+  modules: ["@sidebase/nuxt-auth"],
+});
 ```
 
 :::