feat: comprehensive SEO optimization and GDPR compliance

- Added Terms of Service and Privacy Policy pages with contact info
- Implemented Google Analytics with Consent Mode v2 for GDPR compliance
- Created sitemap.xml and robots.txt for search engine optimization
- Added dynamic meta tags, Open Graph, and structured data (JSON-LD)
- Implemented GDPR consent banner with TCF 2.2 compatibility
- Enhanced sidebar with category-colored hover states and proper active/inactive styling
- Fixed all ESLint warnings for clean deployment
- Added comprehensive SEO utilities and privacy-first analytics tracking

Ready for production deployment with full legal compliance and SEO optimization.

src/config/tools.js

@@ -0,0 +1,137 @@
+import { Edit3, Table, LinkIcon, Hash, Wand2, GitCompare, Type, Home } from 'lucide-react';
+
+// Master tools configuration - single source of truth
+export const TOOL_CATEGORIES = {
+  navigation: {
+    name: 'Navigation',
+    color: 'from-slate-500 to-slate-600',
+    hoverColor: 'slate-600',
+    textColor: 'text-slate-600',
+    hoverTextColor: 'hover:text-slate-700 dark:hover:text-slate-400'
+  },
+  editor: {
+    name: 'Editor',
+    color: 'from-blue-500 to-cyan-500',
+    hoverColor: 'blue-600',
+    textColor: 'text-blue-600',
+    hoverTextColor: 'hover:text-blue-700 dark:hover:text-blue-400'
+  },
+  encoder: {
+    name: 'Encoder',
+    color: 'from-purple-500 to-pink-500',
+    hoverColor: 'purple-600',
+    textColor: 'text-purple-600',
+    hoverTextColor: 'hover:text-purple-700 dark:hover:text-purple-400'
+  },
+  formatter: {
+    name: 'Formatter',
+    color: 'from-green-500 to-emerald-500',
+    hoverColor: 'green-600',
+    textColor: 'text-green-600',
+    hoverTextColor: 'hover:text-green-700 dark:hover:text-green-400'
+  },
+  analyzer: {
+    name: 'Analyzer',
+    color: 'from-orange-500 to-red-500',
+    hoverColor: 'orange-600',
+    textColor: 'text-orange-600',
+    hoverTextColor: 'hover:text-orange-700 dark:hover:text-orange-400'
+  }
+};
+
+export const TOOLS = [
+  {
+    path: '/object-editor',
+    name: 'Object Editor',
+    icon: Edit3,
+    description: 'Visual editor for JSON and PHP serialized objects with mindmap visualization',
+    tags: ['Visual', 'JSON', 'PHP', 'Objects', 'Editor'],
+    category: 'editor'
+  },
+  {
+    path: '/table-editor',
+    name: 'Table Editor',
+    icon: Table,
+    description: 'Import, edit, and export tabular data from URLs, files, or paste CSV/JSON',
+    tags: ['Table', 'CSV', 'JSON', 'Data', 'Editor'],
+    category: 'editor'
+  },
+  {
+    path: '/url',
+    name: 'URL Encoder/Decoder',
+    icon: LinkIcon,
+    description: 'Encode and decode URLs and query parameters',
+    tags: ['URL', 'Encode', 'Decode'],
+    category: 'encoder'
+  },
+  {
+    path: '/base64',
+    name: 'Base64 Encoder/Decoder',
+    icon: Hash,
+    description: 'Convert text to Base64 and back with support for files',
+    tags: ['Base64', 'Encode', 'Binary'],
+    category: 'encoder'
+  },
+  {
+    path: '/beautifier',
+    name: 'Code Beautifier/Minifier',
+    icon: Wand2,
+    description: 'Format and minify JSON, XML, SQL, CSS, and HTML code',
+    tags: ['Format', 'Minify', 'Beautify'],
+    category: 'formatter'
+  },
+  {
+    path: '/diff',
+    name: 'Text Diff Checker',
+    icon: GitCompare,
+    description: 'Compare two texts and highlight differences line by line',
+    tags: ['Diff', 'Compare', 'Text'],
+    category: 'analyzer'
+  },
+  {
+    path: '/text-length',
+    name: 'Text Length Checker',
+    icon: Type,
+    description: 'Analyze text length, word count, and other text statistics',
+    tags: ['Text', 'Length', 'Statistics'],
+    category: 'analyzer'
+  }
+];
+
+// Navigation tools (for sidebar)
+export const NAVIGATION_TOOLS = [
+  {
+    path: '/',
+    name: 'Home',
+    icon: Home,
+    description: 'Back to homepage',
+    category: 'navigation'
+  },
+  ...TOOLS
+];
+
+// Site configuration
+export const SITE_CONFIG = {
+  domain: 'https://dewe.dev',
+  title: 'Dewe.Dev',
+  subtitle: 'Professional Developer Utilities',
+  slogan: 'Code faster, debug smarter, ship better',
+  description: 'Professional-grade utilities for modern developers',
+  year: new Date().getFullYear(),
+  totalTools: TOOLS.length
+};
+
+// Helper functions
+export const getCategoryConfig = (categoryKey) => TOOL_CATEGORIES[categoryKey] || TOOL_CATEGORIES.navigation;
+
+export const getToolsByCategory = (categoryKey) => TOOLS.filter(tool => tool.category === categoryKey);
+
+export const getCategoryStats = () => {
+  const stats = {};
+  Object.keys(TOOL_CATEGORIES).forEach(key => {
+    if (key !== 'navigation') {
+      stats[key] = getToolsByCategory(key).length;
+    }
+  });
+  return stats;
+};