Print Queues

A print queue that can be add from different thread and print on main thread

Usage

Simple Usage

```rust fn main() { print_queues::init();

print_queues::add("GG");

print_queues::add_string("Hello, World!".to_owned())

print_queues::print();
/*
    "GG"
    "Hello, World!"
*/

} ```

Thread Usage

```rust fn main() { print_queues::init();

let th = std::thread::spawn(move || {
    // some server or application loop that want to print
    print_queues::add("Hello, Server!");
});

while !th.is_finished() {
    print_queues::print();
    std::thread::sleep(
        std::thread::time::Duration::from_millis(1)
    );
}

} ```