Add missing newline to .env.example

[McSneaky]

🔗 Linked issue

-

❓ Type of change

• [ ] 🐞 Bug fix (a non-breaking change that fixes an issue)
• [x] 👌 Enhancement (improving an existing functionality like performance)
• [ ] ✨ New feature (a non-breaking change that adds functionality)
• [ ] ⚠️ Breaking change (fix or feature that would cause existing functionality to change)

📚 Description

When creating new project, then VSCode instantly complains about missing newline in .env.example file. This PR adds it there

📝 Checklist

• [ ] I have linked an issue or discussion.
• [ ] I have updated the documentation accordingly.

[Julien-R44]

Thanks!