dtcs 0.1.1

Reference implementation of the Data Transformation Contract Standard (DTCS)
Documentation
# Architecture

Follow the architecture defined in `SPEC.md`.

Initial implementation pipeline:

```text
DTCS Document
Parser
Canonical Object Model
Validator
Diagnostics
```

Future pipeline:

```text
Transformation Contract
Canonical Object Model
Transformation Plan
Execution Plan
Runtime
```

For this first crate, implement only through Diagnostics.