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>

Dockerfile

@@ -0,0 +1,29 @@
+FROM node:22-alpine AS base
+RUN apk add --no-cache libc6-compat openssl
+WORKDIR /app
+
+FROM base AS deps
+COPY package.json package-lock.json* ./
+COPY prisma ./prisma/
+RUN npm ci
+
+FROM base AS builder
+COPY --from=deps /app/node_modules ./node_modules
+COPY . .
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN npx prisma generate && npm run build
+
+FROM base AS runner
+ENV NODE_ENV=production
+ENV NEXT_TELEMETRY_DISABLED=1
+RUN addgroup --system --gid 1001 nodejs && adduser --system --uid 1001 nextjs
+COPY --from=builder /app/public ./public
+COPY --from=builder --chown=nextjs:nodejs /app/.next/standalone ./
+COPY --from=builder --chown=nextjs:nodejs /app/.next/static ./.next/static
+COPY --from=builder /app/prisma ./prisma
+COPY --from=builder /app/node_modules/.prisma ./node_modules/.prisma
+USER nextjs
+EXPOSE 3000
+ENV PORT=3000
+ENV HOSTNAME=0.0.0.0
+CMD ["node", "server.js"]