feat: Initialize frontend with React, Vite, and Tailwind CSS

- Set up main entry point for React application.
- Create About, Home, NotFound, Privacy, and Terms pages with SEO support.
- Implement API service for file uploads and task management.
- Add global styles using Tailwind CSS.
- Create utility functions for SEO and text processing.
- Configure Vite for development and production builds.
- Set up Nginx configuration for serving frontend and backend.
- Add scripts for cleanup of expired files and sitemap generation.
- Implement deployment script for production environment.

frontend/tailwind.config.js

@@ -0,0 +1,44 @@
+/** @type {import('tailwindcss').Config} */
+export default {
+  content: [
+    "./index.html",
+    "./src/**/*.{js,ts,jsx,tsx}",
+  ],
+  darkMode: 'class',
+  theme: {
+    extend: {
+      colors: {
+        primary: {
+          50: '#eff6ff',
+          100: '#dbeafe',
+          200: '#bfdbfe',
+          300: '#93c5fd',
+          400: '#60a5fa',
+          500: '#3b82f6',
+          600: '#2563eb',
+          700: '#1d4ed8',
+          800: '#1e40af',
+          900: '#1e3a8a',
+          950: '#172554',
+        },
+        accent: {
+          50: '#fdf4ff',
+          100: '#fae8ff',
+          200: '#f5d0fe',
+          300: '#f0abfc',
+          400: '#e879f9',
+          500: '#d946ef',
+          600: '#c026d3',
+          700: '#a21caf',
+          800: '#86198f',
+          900: '#701a75',
+        },
+      },
+      fontFamily: {
+        sans: ['Inter', 'Tajawal', 'system-ui', 'sans-serif'],
+        arabic: ['Tajawal', 'Inter', 'sans-serif'],
+      },
+    },
+  },
+  plugins: [],
+};