chore: adiciona Docker, scripts e documentacao

- Adiciona Dockerfile e docker-compose para containerizacao
- Adiciona docker-entrypoint.sh com inicializacao
- Adiciona scripts/seed-admin.js para criar admin inicial
- Adiciona docs/ com logos originais CambioReal
- Atualiza README.md com instrucoes de uso
- Atualiza queries.js com metricas de portfólio

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

Dockerfile

@@ -0,0 +1,29 @@
+# BI Agentes - Dockerfile
+FROM node:20-alpine
+
+# Install netbird client
+RUN apk add --no-cache curl bash iptables ip6tables \
+    && curl -fsSL https://pkgs.netbird.io/install.sh | sh
+
+WORKDIR /app
+
+# Copy package files
+COPY package*.json ./
+
+# Install dependencies
+RUN npm ci --only=production
+
+# Copy application files
+COPY . .
+
+# Create data directory for SQLite
+RUN mkdir -p /app/data
+
+# Expose port
+EXPOSE 3080
+
+# Start script will handle netbird connection
+COPY docker-entrypoint.sh /docker-entrypoint.sh
+RUN chmod +x /docker-entrypoint.sh
+
+ENTRYPOINT ["/docker-entrypoint.sh"]