docs: Fixed incorrect Vuejs example instructions

vuejs/README.md

@@ -2,17 +2,16 @@
 
 This repository contains an example of vuejs application that is deployed on Dokploy.
 
+This example assume you use `Nixpacks` as the build type.
 
 1. **Use Git Provider in Your Application**:
    - Repository: `https://github.com/Dokploy/examples.git`
    - Branch: `main`
    - Build path: `/vuejs`
 
-2. **Add Environment Variables**:
-- Navigate to the "Environments" tab and add the following variable:
-   ```plaintext
-   NIXPACKS_START_CMD="pnpm run preview"
-   ```
+2. **Set the publish publish directory**:
+
+- Ensure you set it to `dist/`. Note that there is no dot before `dist`!
 
 3. **Click on Deploy**:
    - Deploy your application by clicking the deploy button.
@@ -22,5 +21,4 @@ This repository contains an example of vuejs application that is deployed on Dok
     - A new domain will be generated for you.
     - You can use this domain to access your application.
 
-    
 If you need further assistance, join our [Discord server](https://discord.com/invite/2tBnJ3jDJc).