Add the structured-logger crate to the README

Signed-off-by: Yan Qing <[email protected]>

Author: zensh

README.md

@@ -69,6 +69,7 @@ There are many available implementations to choose from, here are some options:
     * [`flexi_logger`](https://docs.rs/flexi_logger/*/flexi_logger/)
     * [`call_logger`](https://docs.rs/call_logger/*/call_logger/)
     * [`std-logger`](https://docs.rs/std-logger/*/std_logger/)
+    * [`structured-logger`](https://docs.rs/structured-logger/latest/structured_logger/)
 * Complex configurable frameworks:
     * [`log4rs`](https://docs.rs/log4rs/*/log4rs/)
     * [`fern`](https://docs.rs/fern/*/fern/)

src/lib.rs

@@ -137,6 +137,7 @@
 //!     * [stderrlog]
 //!     * [flexi_logger]
 //!     * [call_logger]
+//!     * [structured-logger]
 //! * Complex configurable frameworks:
 //!     * [log4rs]
 //!     * [fern]
@@ -313,6 +314,7 @@
 //! [win_dbg_logger]: https://docs.rs/win_dbg_logger/*/win_dbg_logger/
 //! [db_logger]: https://docs.rs/db_logger/*/db_logger/
 //! [console_log]: https://docs.rs/console_log/*/console_log/
+//! [structured-logger]: https://docs.rs/structured-logger/latest/structured_logger/
 
 #![doc(
     html_logo_url = "https://www.rust-lang.org/logos/rust-logo-128x128-blk-v2.png",