feat: update instllation command adding AI editors

Author: SebConejo

introduction.md

@@ -60,9 +60,9 @@ If you already have a frontend app, you can run the `npx add-manifest` command f
 
 :::
 
-#### Note with PNPM
+#### Note with PNMP
 
-As [PNPM](https://pnpm.io/fr/) blocks postinstall scripts, we have to adapt the `package.json`. Add this to your `package.json` file before doing `pnpm install`:
+As [PNPM](https://pnpm.io/fr/) blocks postinstall scripts, we have to adapt the `þackage.json`. Add this to your `package.json` file before doing `pnpm install`:
 
 ```json
   "pnpm": {