[Discovery] zettelkasten-mcp - Note Taking System

## Project Association

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

### Server Details
- **Name**: zettelkasten
- **Source**: https://github.com/aRustyDev/zettelkasten-mcp
- **Docker Hub**: `ghcr.io/arustydev/zettelkasten-mcp:latest`
- **Category**: notes
- **Language**: Python

### Transport Status
- **Current**: Native HTTP support (`--transport http`)
- **Implementation**: Built-in HTTP transport
- **Docker Image**: `ghcr.io/arustydev/zettelkasten-mcp:latest`

### Tools Provided
- Note management (to be documented)
- Zettelkasten methodology support

### Docker Status
- Custom image: `ghcr.io/arustydev/zettelkasten-mcp:latest`
- Native HTTP support
- HADOLint: To be checked

### Notes
- Own project - full control over development
- Implements Zettelkasten note-taking methodology
- Persistent storage for notes and database

### Tracking
- [ ] Document all tools comprehensively
- [ ] HADOLint compliance check
- [ ] Add comprehensive tests
- [ ] Consider Rust rewrite for performance