/control-check

Verify specific CIS Control implementation from 18 controls

# CIS Control Implementation Check

Provides detailed implementation guidance and verification for specific CIS Controls v8 controls.

## Arguments
- `$1` - Control number or name (required: 1-18 or control name)
- `$2` - Implementation Group level (optional: IG1, IG2, IG3)

## The 18 CIS Controls

### Control 1: Inventory and Control of Enterprise Assets
**IG Level**: IG1 | **Safeguards**: 5 (IG1: 5, IG2: 5, IG3: 5)

**Purpose**: Actively manage all enterprise assets connected to infrastructure

**Key Safeguards**:
- 1.1: Establish and maintain detailed enterprise asset inventory (IG1)
- 1...