Log for both native and wasm

common log functionality

```rust use x_log::*;

fn main() { info!("This is an example message."); } or with config rust use x_log::*;

fn main() { // not necessary xlog::initonce(Some(Options { level: LevelFilter::Debug, print_level: true, timezone: Timezone::Local, colored: true, ..Default::default() }));

let v1 = "123"; let v2 = vec![4,5,6];

info!("print some values below."); val!(v1, v2); }

```

wasm

If you want to use it in wasm, enable feature wasm.