feat: Complete Smart Resume Formatter with R2 and Gemini AI integration

- Integrated Cloudflare R2 for template storage and converted file management
- Added Google Gemini AI for resume parsing and HTML generation
- Created backend API endpoints for templates, conversion, and history
- Refactored frontend to use real API instead of mock data
- Fixed Docker networking issues (IPv6/IPv4) for R2 connectivity
- Added resumeService.ts for frontend API integration
- Updated Vite configuration for proper asset serving in Docker
- Successfully tested with 13 templates from R2 bucket

frontend/utils/formatters.ts

@@ -0,0 +1,24 @@
+
+export const formatBytes = (bytes: number, decimals = 2): string => {
+  if (bytes === 0) return '0 Bytes';
+  const k = 1024;
+  const dm = decimals < 0 ? 0 : decimals;
+  const sizes = ['Bytes', 'KB', 'MB', 'GB', 'TB', 'PB', 'EB', 'ZB', 'YB'];
+  const i = Math.floor(Math.log(bytes) / Math.log(k));
+  return parseFloat((bytes / Math.pow(k, i)).toFixed(dm)) + ' ' + sizes[i];
+};
+
+export const formatDate = (dateString: string): string => {
+  try {
+    return new Intl.DateTimeFormat('en-US', {
+      year: 'numeric',
+      month: 'short',
+      day: 'numeric',
+      hour: '2-digit',
+      minute: '2-digit',
+      hour12: true,
+    }).format(new Date(dateString));
+  } catch (error) {
+    return 'Invalid Date';
+  }
+};