/// Adds a file to the tree

    /// Adds a path to the tree.
    ///
    /// Pijul has an internal tree to represent the files currently
    /// tracked. This command adds files and directories to that tree.

    /// Set the repository in which paths must be added. Defaults to the first ancestor of the current directory that contains a `.pijul` directory.

    /// Paths to add to the internal tree.