feat: CRM Clinicas SaaS - MVP completo

- Auth: Login/Register con creacion de clinica
- Dashboard: KPIs reales, graficas recharts
- Pacientes: CRUD completo con busqueda
- Agenda: FullCalendar, drag-and-drop, vista recepcion
- Expediente: Notas SOAP, signos vitales, CIE-10
- Facturacion: Facturas con IVA, campos CFDI SAT
- Inventario: Productos, stock, movimientos, alertas
- Configuracion: Clinica, equipo, catalogo servicios
- Supabase self-hosted: 18 tablas con RLS multi-tenant
- Docker + Nginx para produccion

Co-Authored-By: claude-flow <ruv@ruv.net>

docker/nginx.conf

@@ -0,0 +1,41 @@
+upstream nextjs {
+    server nextjs:3000;
+}
+
+upstream supabase_kong {
+    server kong:8000;
+}
+
+server {
+    listen 80;
+    server_name _;
+    client_max_body_size 50M;
+
+    # Next.js app
+    location / {
+        proxy_pass http://nextjs;
+        proxy_http_version 1.1;
+        proxy_set_header Upgrade $http_upgrade;
+        proxy_set_header Connection 'upgrade';
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+        proxy_set_header X-Forwarded-Proto $scheme;
+        proxy_cache_bypass $http_upgrade;
+    }
+
+    # Supabase API proxy
+    location /supabase/ {
+        rewrite ^/supabase/(.*) /$1 break;
+        proxy_pass http://supabase_kong;
+        proxy_set_header Host $host;
+        proxy_set_header X-Real-IP $remote_addr;
+        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
+    }
+
+    # Health check
+    location /health {
+        return 200 'OK';
+        add_header Content-Type text/plain;
+    }
+}