feat: Invoice Editor improvements and code cleanup

Major Invoice Editor updates:
- ✅ Fixed tripled scrollbar issue by removing unnecessary overflow classes
- ✅ Implemented dynamic currency system with JSON data loading
- ✅ Fixed F4 PDF generation error with proper paper size handling
- ✅ Added proper padding to Total section matching table headers
- ✅ Removed print functionality (users can print from PDF download)
- ✅ Streamlined preview toolbar: Back, Size selector, Download PDF
- ✅ Fixed all ESLint warnings and errors
- ✅ Removed console.log statements across codebase for cleaner production
- ✅ Added border-top to Total section for better visual consistency
- ✅ Improved print CSS and removed JSX warnings

Additional improvements:
- Added currencies.json to public folder for proper HTTP access
- Enhanced MinimalTemplate with better spacing and layout
- Clean build with no warnings or errors
- Updated release notes with new features

src/pages/ReleaseNotes.js

@@ -26,6 +26,12 @@ const ReleaseNotes = () => {
 
     // Transform commit messages to user-friendly descriptions
     const transformations = [
+      {
+        pattern: /feat.*invoice.*editor.*improvements/i,
+        type: 'feature',
+        title: 'Invoice Editor Major Update',
+        description: 'Complete overhaul of Invoice Editor with currency system, PDF generation fixes, improved UI/UX, removed print functionality (use PDF download instead), streamlined preview toolbar, and comprehensive bug fixes'
+      },
       {
         pattern: /feat.*enhanced.*what.*new.*feature.*non_tools.*category.*global.*footer/i,
         type: 'feature',
@@ -269,8 +275,8 @@ const ReleaseNotes = () => {
 
   return (
     <ToolLayout
-      title="Release Notes"
-      description="Stay updated with the latest features, improvements, and fixes"
+      title=""
+      description=""
     >
       <div className="max-w-4xl mx-auto">
         {/* Header */}
@@ -346,18 +352,21 @@ const ReleaseNotes = () => {
                           
                           return (
                             <div key={release.hash} className={`p-6 ${index !== dayReleases.length - 1 ? 'border-b border-gray-100 dark:border-gray-700' : ''}`}>
-                              <div className="flex items-start space-x-4">
-                                <div className={`flex-shrink-0 p-2 rounded-lg ${typeConfig.bgColor}`}>
+                              <div className="flex flex-col md:flex-row items-start md:space-x-4">
+                                <div className={`flex-shrink-0 p-2 rounded-lg ${typeConfig.bgColor} flex items-center space-x-2 mb-2`}>
                                   <div className={typeConfig.color}>
                                     {typeConfig.icon}
                                   </div>
+                                  <span className={`block md:hidden px-2 py-1 text-xs font-medium rounded-full ${typeConfig.bgColor} ${typeConfig.color}`}>
+                                    {typeConfig.label}
+                                  </span>
                                 </div>
                                 <div className="flex-1 min-w-0">
                                   <div className="flex items-center space-x-2 mb-2">
                                     <h4 className="font-semibold text-gray-900 dark:text-gray-100">
                                       {release.title}
                                     </h4>
-                                    <span className={`px-2 py-1 text-xs font-medium rounded-full ${typeConfig.bgColor} ${typeConfig.color}`}>
+                                    <span className={`hidden md:block px-2 py-1 text-xs font-medium rounded-full ${typeConfig.bgColor} ${typeConfig.color}`}>
                                       {typeConfig.label}
                                     </span>
                                   </div>