leekscript-rs 0.1.0

# LeekScript parser examples

Run any example with:

```bash
cargo run --example <name>
```

| Example | Description |
|---------|-------------|
| **parse_leekscript** | Full demo: token stream (Phase 1) and program parse (Phase 3). Parses `.leek` files from `examples/leekscript/valid/` and `valid/expressions/`, shows syntax trees and recovering parse for invalid snippets in `leekscript/invalid/`. |