feat: Enhanced What's New feature with NON_TOOLS category and global footer

✨ What's New Feature & Navigation Improvements:
- Added attractive 'What's New' button to homepage with gradient design and sparkle effects
- Created NON_TOOLS category for better navigation organization (Home, What's New)
- Separated navigation items in sidebar and mobile menu with clear visual hierarchy
- Implemented unified global footer across all pages for consistency

🎨 Design Enhancements:
- Stunning gradient button with indigo→purple→pink colors and hover animations
- Perfect placement between stats and tools grid for maximum visibility
- Consistent indigo-purple theming for non-tools category
- Professional sparkle effects and scale transforms on hover

🔧 Technical Improvements:
- Removed duplicate footer from Terms of Service page
- Unified footer implementation reduces code duplication
- Enhanced mobile dropdown with proper NON_TOOLS separation
- Updated sidebar with category-based styling and separators

📁 Files Modified:
- /src/config/tools.js - Added NON_TOOLS category and What's New entry
- /src/components/ToolSidebar.js - Separated NON_TOOLS with visual hierarchy
- /src/components/Layout.js - Updated mobile menu and implemented global footer
- /src/pages/Home.js - Added attractive What's New button with animations
- /src/pages/TermsOfService.js - Removed duplicate footer
- /src/pages/ReleaseNotes.js - Updated with latest implementation details

src/config/tools.js

@@ -1,4 +1,4 @@
-import { Edit3, Table, LinkIcon, Hash, Wand2, GitCompare, Type, Home } from 'lucide-react';
+import { Edit3, Table, LinkIcon, Hash, Wand2, GitCompare, Type, Home, Sparkles, Zap } from 'lucide-react';
 
 // Master tools configuration - single source of truth
 export const TOOL_CATEGORIES = {
@@ -36,6 +36,13 @@ export const TOOL_CATEGORIES = {
     hoverColor: 'orange-600',
     textColor: 'text-orange-600',
     hoverTextColor: 'hover:text-orange-700 dark:hover:text-orange-400'
+  },
+  non_tools: {
+    name: 'Site Navigation',
+    color: 'from-indigo-500 to-purple-500',
+    hoverColor: 'indigo-600',
+    textColor: 'text-indigo-600',
+    hoverTextColor: 'hover:text-indigo-700 dark:hover:text-indigo-400'
   }
 };
 
@@ -98,15 +105,27 @@ export const TOOLS = [
   }
 ];
 
-// Navigation tools (for sidebar)
-export const NAVIGATION_TOOLS = [
+// Non-tool navigation items (homepage, what's new, etc.)
+export const NON_TOOLS = [
   {
     path: '/',
     name: 'Home',
     icon: Home,
     description: 'Back to homepage',
-    category: 'navigation'
+    category: 'non_tools'
   },
+  {
+    path: '/release-notes',
+    name: "What's New",
+    icon: Zap,
+    description: 'Latest updates and new features',
+    category: 'non_tools'
+  }
+];
+
+// Navigation tools (for sidebar) - combines non-tools and tools
+export const NAVIGATION_TOOLS = [
+  ...NON_TOOLS,
   ...TOOLS
 ];