This commit includes the following changes:

- Fix docs not generating parameter descriptions, add rust sample.
- Add example to doc output.
- Add basic scope reporting.
- Stringify the JSON "Example" objects for response schemas.
- Prettify JSON examples in response schemas.
- Parse and present multiline response descriptions.
- Add API error details to docsgen.
- Add read only markers to read only properties.
- Fix up style document indentation.
- Add support for `x-shared-errors`, an extension to define common error types that can be shared across a microservice framework.