- Updated project licensing to Apache-2.0 with a standard root `LICENSE` file. - Converted root README and CHANGELOG files from reStructuredText to Markdown. - Standardized source, configuration, and script file headers.
- Updated project licensing to Apache-2.0 with a standard root `LICENSE` file. - Converted root README and CHANGELOG files from reStructuredText to Markdown. - Standardized source, configuration, and script file headers.