Organize planning documents and update README structure

- Created a new `docs/planning/` directory to better organize architecture and implementation planning documents.
- Moved existing planning documents into the new directory for improved accessibility.
- Updated `README.md` to reflect the new document structure and added references to the organized planning documents.
- Enhanced overall documentation management for easier navigation and maintenance.

docs/refactor/README.md

@@ -0,0 +1,89 @@
+# REFACTORING DOCUMENTATION
+
+**Purpose**: This directory contains refactoring plans, migration guides, and architectural refactoring documentation.
+
+---
+
+## Directory Structure
+
+```
+docs/refactor/
+├── README.md                    # This file
+├── routes/                      # Route refactoring plans
+├── folder-structure/            # Folder structure refactoring plans
+└── migrations/                 # Migration guides for refactoring
+```
+
+---
+
+## Refactoring Plans
+
+### Current Refactoring Status
+
+**Phase 0: Foundation & Credit System**
+- [ ] Credit-only model migration
+- [ ] Plan model simplification
+- [ ] Module settings system
+
+**Phase 1: Service Layer Refactoring**
+- [ ] Domain-driven structure
+- [ ] Service layer implementation
+- [ ] Model migrations
+
+**Phase 2: Automation System**
+- [ ] AutomationRule model
+- [ ] ScheduledTask model
+- [ ] Celery integration
+
+**Phase 3: Site Builder**
+- [ ] Site Builder models
+- [ ] File management service
+- [ ] Sites folder access
+
+**Phase 4: Linker & Optimizer**
+- [ ] Content model extensions
+- [ ] Multiple entry points
+- [ ] Workflow implementation
+
+**Phase 5: Sites Renderer**
+- [ ] Sites container
+- [ ] Layout system
+- [ ] Template system
+
+**Phase 6: Site Integration**
+- [ ] SiteIntegration model
+- [ ] Multi-destination publishing
+- [ ] Integration adapters
+
+**Phase 7: UI Components**
+- [ ] Global component library
+- [ ] Module settings UI
+- [ ] Site management UI
+
+**Phase 8: Universal Content Types**
+- [ ] Content type extensions
+- [ ] Taxonomy support
+- [ ] Product/Service pages
+
+---
+
+## Route Refactoring
+
+See `routes/` directory for route refactoring plans.
+
+---
+
+## Folder Structure Refactoring
+
+See `folder-structure/` directory for folder structure refactoring plans.
+
+---
+
+## Migration Guides
+
+See `migrations/` directory for step-by-step migration guides.
+
+---
+
+**Last Updated**: 2025-01-XX
+