feat: Add comprehensive documentation suite and reorganize project structure

- Created complete documentation in docs/ directory
- Added PROJECT_OVERVIEW.md with feature highlights and getting started guide
- Added ARCHITECTURE.md with system design and technical details
- Added SECURITY.md with comprehensive security implementation guide
- Added DEVELOPMENT.md with development workflows and best practices
- Added DEPLOYMENT.md with production deployment instructions
- Added API.md with complete REST API documentation
- Added CONTRIBUTING.md with contribution guidelines
- Added CHANGELOG.md with version history and migration notes
- Reorganized all documentation files into docs/ directory for better organization
- Updated README.md with proper documentation links and quick navigation
- Enhanced project structure with professional documentation standards

dynamic_theme.php

@@ -0,0 +1,30 @@
+<?php
+/**
+ * Dynamic Theme CSS Generator
+ * Serves dynamically generated CSS based on branding settings
+ */
+
+define('_ISVALID', true);
+
+// Set proper headers for CSS
+header('Content-Type: text/css; charset=utf-8');
+header('Cache-Control: public, max-age=3600'); // Cache for 1 hour
+header('Expires: ' . gmdate('D, d M Y H:i:s', time() + 3600) . ' GMT');
+
+try {
+    // Load core configuration
+    include_once 'f_core/config.core.php';
+    
+    // Initialize branding system
+    $branding = VBranding::getInstance();
+    
+    // Generate and output CSS
+    echo $branding->generateCSS();
+    
+} catch (Exception $e) {
+    // Fallback CSS in case of errors
+    echo "/* Error generating dynamic CSS: " . $e->getMessage() . " */\n";
+    echo ":root { --color-primary: #007bff; --color-bg-main: #ffffff; }\n";
+    echo "body { font-family: Arial, sans-serif; color: #212529; background: #ffffff; }\n";
+}
+?>