feat: add company logo and configure Cloudflare tunnel support

- Add company logo to login page and all sidebar variants
- Configure Next.js rewrites to proxy /api/* to backend
- Enable external access via Cloudflare Zero Trust tunnel

Co-Authored-By: Claude Opus 4.5 <noreply@anthropic.com>

apps/web/components/layouts/sidebar-floating.tsx

@@ -1,6 +1,7 @@
 'use client';
 
 import Link from 'next/link';
+import Image from 'next/image';
 import { usePathname } from 'next/navigation';
 import { cn } from '@/lib/utils';
 import {
@@ -59,9 +60,13 @@ export function SidebarFloating() {
       <div className="flex h-full flex-col p-4">
         {/* Logo */}
         <div className="flex items-center gap-3 mb-6 px-2">
-          <div className="h-10 w-10 rounded-xl bg-gradient-to-br from-primary to-accent flex items-center justify-center shadow-lg shadow-primary/25">
-            <span className="text-primary-foreground font-bold text-xl">H</span>
-          </div>
+          <Image
+            src="/logo.jpg"
+            alt="Horux360"
+            width={40}
+            height={40}
+            className="rounded-full shadow-lg shadow-primary/25"
+          />
           <div>
             <span className="font-bold text-lg block">Horux360</span>
             <span className="text-xs text-muted-foreground">Análisis Fiscal</span>