feat: initial Bot Intelligence API Docker stack

Self-hosted Node.js/Express + SQLite (WAL) API server and dashboard
for tracking blocked bots and user agents. Features:
- POST /api/v1/submit — batch ingest from WordPress plugin
- GET /api/v1/stats — aggregated stats with 30s cache
- GET /api/v1/stream — SSE live event feed
- GET /api/v1/health — health check endpoint
- Cyan/blue terminal-style dashboard with live feed, bar charts, 24h activity
- Docker Compose setup on port 3001 with persistent SQLite volume
- Bearer token auth with constant-time comparison

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

Dockerfile

@@ -0,0 +1,17 @@
+FROM node:20-alpine
+
+# Native deps for better-sqlite3
+RUN apk add --no-cache python3 make g++
+
+WORKDIR /app
+COPY package*.json ./
+RUN npm ci --omit=dev
+
+COPY . .
+
+RUN mkdir -p /data
+
+EXPOSE 3000
+VOLUME ["/data"]
+
+CMD ["node", "server.js"]