feat(ui): add new icons and loggers

Icons added to icons.js:
- user-plus, user-check, user-x: User action icons
- shield: Plain shield icon
- store: E-commerce store icon

Loggers added to log-config.js:
- companies: For company management logging
- marketplace: For marketplace operations logging

🤖 Generated with [Claude Code](https://claude.com/claude-code)

Co-Authored-By: Claude <noreply@anthropic.com>

static/shared/js/log-config.js

@@ -205,6 +205,9 @@ const adminLoggers = {
     vendorTheme: createLogger('THEME', ACTIVE_LOG_LEVEL),
     vendorUsers: createLogger('VENDOR-USERS', ACTIVE_LOG_LEVEL),
 
+    // Company management
+    companies: createLogger('COMPANIES', ACTIVE_LOG_LEVEL),
+
     // Product management
     products: createLogger('PRODUCTS', ACTIVE_LOG_LEVEL),
     inventory: createLogger('INVENTORY', ACTIVE_LOG_LEVEL),
@@ -220,7 +223,8 @@ const adminLoggers = {
     dashboard: createLogger('DASHBOARD', ACTIVE_LOG_LEVEL),
 
     // Import operations
-    imports: createLogger('IMPORTS', ACTIVE_LOG_LEVEL)
+    imports: createLogger('IMPORTS', ACTIVE_LOG_LEVEL),
+    marketplace: createLogger('MARKETPLACE', ACTIVE_LOG_LEVEL)
 };
 
 // ============================================================================