This commit introduces the core functionality of the Borg Data Collector.
- Adds the `collect` command to clone a single Git repository and store it in a Trix cube.
- Adds the `collect all` command to clone all public repositories from a GitHub user or organization.
- Implements the Trix cube as a `tar` archive.
- Adds the `ingest` command to add files to a Trix cube.
- Adds the `cat` command to extract files from a Trix cube.
- Integrates Borg-themed status messages for a more engaging user experience.
