Add support for processing environment variables defined as an array in template configurations, allowing more flexible env var definitions with direct string values and variable interpolation
- Implement generateJwt function for creating JWT tokens
- Add support for 'jwt' and 'jwt:length' template variables
- Introduce new base64 and password generation shortcuts
- Enhance template variable processing with additional utility functions
- Implement new utility functions in template processing
- Add support for generating UUID, timestamp, and random port
- Extend template variable processing capabilities
- Delete all template-related files in `apps/dokploy/templates`
- Remove template image files from `apps/dokploy/public/templates`
- Update server-side template processing with new implementation
- Clean up unused configuration and utility files