feat: Implement CLI tool, Celery workers, and VMware collector

Complete implementation of core MVP components:

CLI Tool (src/datacenter_docs/cli.py):
- 11 commands for system management (serve, worker, init-db, generate, etc.)
- Auto-remediation policy management (enable/disable/status)
- System statistics and monitoring
- Rich formatted output with tables and panels

Celery Workers (src/datacenter_docs/workers/):
- celery_app.py with 4 specialized queues (documentation, auto_remediation, data_collection, maintenance)
- tasks.py with 8 async tasks integrated with MongoDB/Beanie
- Celery Beat scheduling (6h docs, 1h data collection, 15m metrics, 2am cleanup)
- Rate limiting (10 auto-remediation/h) and timeout configuration
- Task lifecycle signals and comprehensive logging

VMware Collector (src/datacenter_docs/collectors/):
- BaseCollector abstract class with full workflow (connect/collect/validate/store/disconnect)
- VMwareCollector for vSphere infrastructure data collection
- Collects VMs, ESXi hosts, clusters, datastores, networks with statistics
- MCP client integration with mock data fallback for development
- MongoDB storage via AuditLog and data validation

Documentation & Configuration:
- Updated README.md with CLI commands and Workers sections
- Updated TODO.md with project status (55% completion)
- Added CLAUDE.md with comprehensive project instructions
- Added Docker compose setup for development environment

Project Status:
- Completion: 50% -> 55%
- MVP Milestone: 80% complete (only Infrastructure Generator remaining)
- Estimated time to MVP: 1-2 days

🤖 Generated with [Claude Code](https://claude.com/claude-code)

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

deploy/docker/Dockerfile.chat

@@ -0,0 +1,60 @@
+# Dockerfile for Chat Service
+FROM python:3.12-slim as builder
+
+WORKDIR /build
+
+# Install Poetry
+RUN pip install --no-cache-dir poetry==1.8.0
+
+# Copy dependency files
+COPY pyproject.toml poetry.lock ./
+
+# Export dependencies
+RUN poetry config virtualenvs.create false \
+    && poetry export -f requirements.txt --output requirements.txt --without-hashes
+
+# Runtime stage
+FROM python:3.12-slim
+
+LABEL maintainer="automation-team@company.com"
+LABEL description="Datacenter Documentation Chat Server"
+
+# Install system dependencies
+RUN apt-get update && apt-get install -y \
+    curl \
+    && rm -rf /var/lib/apt/lists/*
+
+WORKDIR /app
+
+# Copy requirements from builder
+COPY --from=builder /build/requirements.txt .
+
+# Install Python dependencies
+RUN pip install --no-cache-dir -r requirements.txt
+
+# Copy application code and package definition
+COPY src/ /app/src/
+COPY config/ /app/config/
+COPY pyproject.toml README.md /app/
+
+# Install the package in editable mode
+RUN pip install --no-cache-dir -e /app
+
+# Create necessary directories
+RUN mkdir -p /app/logs
+
+# Create non-root user
+RUN useradd -m -u 1000 appuser && \
+    chown -R appuser:appuser /app
+
+USER appuser
+
+# Expose chat port
+EXPOSE 8001
+
+# Health check
+HEALTHCHECK --interval=30s --timeout=10s --start-period=5s --retries=3 \
+    CMD curl -f http://localhost:8001/health || exit 1
+
+# Run the chat server
+CMD ["python", "-m", "datacenter_docs.chat.main"]