Add SMTP configuration to docker-compose file

[Drogon-The-Dread]

Description

Singlefile missing the SMTP settings so it never registers

Type of Change

• 🐛 Bug fix (non-breaking change that fixes an issue)
• ✨ New feature (non-breaking change that adds functionality)
• 💥 Breaking change (fix or feature that would cause existing functionality to not work as expected)
• 📝 Documentation update
• 🔧 Configuration change
• ♻️ Refactoring (no functional changes)
• 🧪 Tests

Checklist

• My code follows the project's style guidelines
• I have performed a self-review of my code
• I have tested my changes locally
• I have updated documentation if needed
• My changes don't introduce new warnings or errors

Screenshots (if applicable)

Related Issues

[Ketbome]

Thanks!!