0.9.0

Changelog

• 6b698f9 refactor: Improve Nginx configuration and add proxy settings
• 0965ee9 refactor: Remove SSL certificates and Nginx configuration from test project
• 8f12a99 fix: Update GitHub Actions workflow to use correct setup-go action
• 423629c feat: Add database service templates for common database engines
• c8198a9 refactor: Improve SSH key setup and file permissions handling in server configuration
• 1dbf4ca refactor: Improve SSH key handling and Docker Hub configuration in server setup
• 53c3ba8 refactor: Rename setup command to server and restructure server configuration
• d4863c7 refactor: Improve method visibility and naming in deployment package
• f937104 feat: Implement App structure and Docker image synchronization