Smarter writer builder for tracing-subscriber's fmt module
```rust use tracingfmtsmartwriter::{WriterBuilder, tracingsubscriber};
tracingsubscriber::fmt::Subscriber::builder().withwriter(WriterBuilder::new()) .init(); ```
Writes into logcat
ERROR
-> ERROR
;WARN
-> WARN
;INFO
-> INFO
;DEBUG
-> DEBUG
;TRACE
-> VERBOSE
;Writes using console
ERROR
-> console.error
;WARN
-> console.warn
;INFO
-> console.info
;DEBUG
-> console.debug
;TRACE
-> console.debug
;Writes into stdout