This commit adds a `--user` flag to the `collect git` command, allowing it to fetch all public repositories for a given GitHub user or organization.
- The `collect git` command was modified to accept a `--user` flag.
- The previous `all` command's functionality has been integrated into the `collect git` command.
- The documentation and examples have been updated to reflect the new flag.
This commit introduces several maintenance improvements to the repository.
- A `go.work` file has been added to define the workspace and make the project easier to work with.
- The module path in `go.mod` has been updated to use a GitHub URL, and all import paths have been updated accordingly.
- `examples` and `docs` directories have been created.
- The `examples` directory contains scripts that demonstrate the tool's functionality.
- The `docs` directory contains documentation for the project.
- Tests have been added to the `pkg/github` package following the `_Good`, `_Bad`, `_Ugly` convention.
- The missing `pkg/borg` package has been added to resolve a build error.
