Function basic 

pub fn basic(
    fs: u8,
    ps: &str,
    dc: &str,
    author: &str,
    title: &str,
    date: &str,
    packages: &Vec<String>,
) -> Latex

Creates basic template into tex_rs::Latex

use texc_latex::basic;

fn main(){
    let basic_latex = basic::basic(11, "letterpaper", "article", "author", "title", "Some day", &vec![]);
    // You can write with the following:
    // basic_latex.write(...)
    // basic_latex.async_write(...)
    // basic_latex.split_write(...), used in texcreate
}