Developer documentation

This documentation provides comprehensive guidance for Waldur development. It covers essential topics including installation and setup, core architectural concepts like permissions and managed entities, background processing systems, and development best practices.

Key areas covered:

Installation and development workflow setup
Core concepts: permissions, managed entities, background processing, quotas, logging
Development guides: serializers, views, tests, documentation, resource actions
Localization and internationalization
System architecture: events, models, templates
Plugin development and existing plugin implementations