Function create 

pub fn create(
    root: &Path,
    config: &Config,
    title: String,
    author: String,
    actor: String,
    context: Option<String>,
    context_section: Option<String>,
    aggressive: bool,
    section_sets: Vec<(String, String)>,
    epic: Option<String>,
    target_branch: Option<String>,
    depends_on: Option<Vec<String>>,
    base_branch: Option<String>,
    warnings: &mut Vec<String>,
) -> Result<Ticket>