feat: rebrand to Domain Scanner platform

Replace GeoExport static site with Next.js domain intelligence app:
real DNS/WHOIS/SSL/HTTP/geo scans, SSE progress, Docker stack,
updated install/uninstall scripts, and full documentation.

Co-authored-by: Cursor <cursoragent@cursor.com>

docs/DEPLOYMENT.md

@@ -0,0 +1,43 @@
+# Deployment
+
+## Docker (recommended)
+
+```bash
+docker compose up -d --build
+docker compose exec web npx prisma db push
+```
+
+## VPS one-liner
+
+```bash
+curl -fsSL https://raw.githubusercontent.com/andrey271192/Domain_web/main/install.sh | sudo bash
+```
+
+Install path: `/opt/domain_web`  
+Service: Docker Compose (`web`, `postgres`, `redis`)  
+Nginx site: `domain-scanner` on port 80 → app `:3000`
+
+## Environment on server
+
+Edit `/opt/domain_web/.env`:
+
+- `NEXTAUTH_SECRET` — auto-generated on first install
+- `NEXTAUTH_URL` / `NEXT_PUBLIC_APP_URL` — public IP or domain
+
+## Manual Node deploy
+
+```bash
+npm ci && npm run build
+DATABASE_URL=... npx prisma db push
+PORT=3000 npm start
+```
+
+## SSL / HTTPS
+
+Place certbot in front of nginx or terminate TLS at a reverse proxy.
+
+## Upgrades
+
+```bash
+cd /opt/domain_web && git pull && docker compose up -d --build
+```