Function fast_log::fast_log::init_log

pub fn init_log(
    log_file_path: &str, 
    cup: usize, 
    level: Level, 
    custom_log: Option<Box<dyn FastLog>>
) -> Result<(), Box<dyn Error + Send>>

initializes the log file path log_file_path: example-> "test.log" cup: example -> 1000 custom_log: default None