Rebrand from Casera/MyCrib to honeyDue

Total rebrand across Web project:
- Package name: casera-web -> honeydue-web
- Cookie: casera-token -> honeydue-token
- Theme store: casera-theme -> honeydue-theme
- File sharing: .casera -> .honeydue, component/function renames
- casera-file-handler.tsx -> honeydue-file-handler.tsx
- All UI text, metadata, OG tags updated
- Domains: casera.treytartt.com -> honeyDue.treytartt.com
- Demo data emails updated
- All documentation updated

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/middleware.ts

@@ -2,7 +2,7 @@ import { NextResponse } from 'next/server';
 import type { NextRequest } from 'next/server';
 
 export function middleware(request: NextRequest) {
-  const token = request.cookies.get('casera-token')?.value;
+  const token = request.cookies.get('honeydue-token')?.value;
   const { pathname } = request.nextUrl;
 
   // Public paths that don't require auth