[Discovery] SimpleCheckList - Task Management

## Project Association

This issue tracks the `checklist` MCP server in the core profile.

### Server Details
- **Name**: checklists
- **Source**: https://github.com/DevMayur/SimpleCheckList
- **Docker Hub**: `mayurkakade/mcp-server:latest`
- **Category**: workflow
- **Language**: TypeScript/Node.js

### Transport Status
- **Current**: Native HTTP support
- **Implementation**: No wrapper needed
- **Docker Image**: `mayurkakade/mcp-server:latest`

### Tools Provided
- `create_checklist`: Create a new checklist
- `get_checklists`: List all checklists
- `add_item`: Add item to a checklist
- `toggle_item`: Mark item complete/incomplete
- `delete_item`: Remove item from checklist
- `delete_checklist`: Delete entire checklist

### Endpoints
- API: port 8355 (`/api`)
- UI: port 80 (`/ui`)

### Docker Status
- Community image: `mayurkakade/mcp-server:latest`
- No custom build needed
- HADOLint: N/A (community image)

### Notes
- Includes web UI for manual task management
- Persistent storage via SQLite
- Good for simple task tracking

### Tracking
- [ ] Document all API endpoints
- [ ] Test persistence behavior
- [ ] Consider Rust rewrite with enhanced features