docs: some link fixes (#65)

* use full links so they work in docs

* found more

* update link to model configs

* swap person sampling for plugins

Author: johnnygreco

CONTRIBUTING.md

@@ -12,7 +12,6 @@ This guide will help you get started with the contribution process.
 - [Ways to Contribute](#ways-to-contribute)
 - [Feature Requests](#feature-requests)
 - [Development Guide](#development-guide)
-- [Code Quality Standards](#code-quality-standards)
 - [Submitting Changes](#submitting-changes)
 - [Code of Conduct](#code-of-conduct)
 - [Signing off on your work](#signing-off-on-your-work)
@@ -151,7 +150,7 @@ Data Designer uses [`uv`](https://github.com/astral-sh/uv) for dependency manage
 
 2. **Develop your changes**
 
-    Please follow the patterns and conventions used throughout the codebase, as well as those outlined in [AGENTS.md](AGENTS.md).
+    Please follow the patterns and conventions used throughout the codebase, as well as those outlined in [AGENTS.md](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/AGENTS.md).
 
 3. **Test and validate**
 
@@ -161,7 +160,7 @@ Data Designer uses [`uv`](https://github.com/astral-sh/uv) for dependency manage
     make coverage       # Check test coverage (must be >90%)
     ```
 
-    **Writing tests**: Place tests in [tests/](tests/) mirroring the source structure. Use fixtures from [tests/conftest.py](tests/conftest.py), mock external services with `unittest.mock` or `pytest-httpx`, and test both success and failure cases. See [AGENTS.md](AGENTS.md) for patterns and examples.
+    **Writing tests**: Place tests in [tests/](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/tests/) mirroring the source structure. Use fixtures from [tests/conftest.py](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/tests/conftest.py), mock external services with `unittest.mock` or `pytest-httpx`, and test both success and failure cases. See [AGENTS.md](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/AGENTS.md) for patterns and examples.
 
 4. **Commit your work**
 
@@ -216,7 +215,7 @@ Ensure your changes meet the following criteria:
 ## Code of Conduct
 Data Designer follows the Contributor Covenant Code of Conduct. We are committed to providing a welcoming and inclusive environment for all contributors.
 
-**Please read our complete [Code of Conduct](CODE_OF_CONDUCT.md)** for full details on our standards and expectations.
+**Please read our complete [Code of Conduct](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/CODE_OF_CONDUCT.md)** for full details on our standards and expectations.
 
 ### License File Headers
 All code files that are added to this repository must include the appropriate NVIDIA copyright header:
@@ -228,17 +227,9 @@ All code files that are added to this repository must include the appropriate NV
 
 Use `make update-license-headers` to add headers automatically.
 
-## Getting Help
-Need help with your contribution?
-
-- **Documentation**: Check the [documentation](docs/) and [AGENTS.md](AGENTS.md) for additional information
-- **Issues**: Browse [existing issues](https://github.com/NVIDIA-NeMo/DataDesigner/issues) for similar questions
-- **Contact**: Reach out to the core maintainers at [[email protected]](mailto:[email protected])
-
-
 ## Signing off on your work
 
-When contributing to this project, you must agree that you have authored 100% of the content, that you have the necessary rights to the content and that the content you contribute may be provided under the project license. All contributors are asked to sign the Data Designer [Developer Certificate of Origin (DCO)](DCO) when submitting their first pull request. The process is automated by a bot that will comment on the pull request. Our DCO is the same as the Linux Foundation requires its contributors to sign.
+When contributing to this project, you must agree that you have authored 100% of the content, that you have the necessary rights to the content and that the content you contribute may be provided under the project license. All contributors are asked to sign the Data Designer [Developer Certificate of Origin (DCO)](https://github.com/NVIDIA-NeMo/DataDesigner/blob/main/DCO) when submitting their first pull request. The process is automated by a bot that will comment on the pull request. Our DCO is the same as the Linux Foundation requires its contributors to sign.
 
 ---
 

docs/models/default-model-settings.md

@@ -92,5 +92,4 @@ Both methods operate on the same files, ensuring consistency across your entire
 
 - **[Configure Model Settings With the CLI](configure-model-settings-with-the-cli.md)**: Learn how to use the CLI to manage model settings.
 - **[Quick Start Guide](../quick-start.md)**: Get started with a simple example
-- **[Model Configuration Reference](../code_reference/config_builder.md)**: Detailed API documentation
-- **[Column Configurations](../code_reference/column_configs.md)**: Learn about all column types
+- **[Model Configurations](model-configs.md)**: Learn about model configurations

docs/notebooks/README.md

@@ -100,7 +100,7 @@ Understanding these concepts will help you make the most of the tutorials:
 
 - **[Columns](../concepts/columns.md)** - Learn about different column types (Sampler, LLM, Expression, Validation, etc.)
 - **[Validators](../concepts/validators.md)** - Understand how to validate generated data with Python, SQL, and remote validators
-- **[Plugins](../concepts/plugins.md)** - Extend Data Designer with custom functionality
+- **[Person Sampling](../concepts/person_sampling.md)** - Learn how to sample realistic person data with demographic attributes
 
 ### Code Reference