feat: add logging, marketplace, and admin enhancements

Database & Migrations:
- Add application_logs table migration for hybrid cloud logging
- Add companies table migration and restructure vendor relationships

Logging System:
- Implement hybrid logging system (database + file)
- Add log_service for centralized log management
- Create admin logs page with filtering and viewing capabilities
- Add init_log_settings.py script for log configuration
- Enhance core logging with database integration

Marketplace Integration:
- Add marketplace admin page with product management
- Create marketplace vendor page with product listings
- Implement marketplace.js for both admin and vendor interfaces
- Add marketplace integration documentation

Admin Enhancements:
- Add imports management page and functionality
- Create settings page for admin configuration
- Add vendor themes management page
- Enhance vendor detail and edit pages
- Improve code quality dashboard and violation details
- Add logs viewing and management
- Update icons guide and shared icon system

Architecture & Documentation:
- Document frontend structure and component architecture
- Document models structure and relationships
- Add vendor-in-token architecture documentation
- Add vendor RBAC (role-based access control) documentation
- Document marketplace integration patterns
- Update architecture patterns documentation

Infrastructure:
- Add platform static files structure (css, img, js)
- Move architecture_scan.py to proper models location
- Update model imports and registrations
- Enhance exception handling
- Update dependency injection patterns

UI/UX:
- Improve vendor edit interface
- Update admin user interface
- Enhance page templates documentation
- Add vendor marketplace interface

app/templates/admin/icons.html

@@ -304,7 +304,7 @@
 </div>
 
 <!-- Usage Guide -->
-<div class="mt-6 bg-blue-50 dark:bg-gray-800 border border-blue-200 dark:border-gray-700 rounded-lg p-6">
+<div class="mb-8 mt-6 bg-blue-50 dark:bg-gray-800 border border-blue-200 dark:border-gray-700 rounded-lg p-6">
     <h3 class="text-lg font-semibold text-gray-800 dark:text-gray-200 mb-3 flex items-center">
         <span x-html="$icon('book-open', 'w-5 h-5 mr-2 text-blue-600')"></span>
         How to Use Icons