Add rust-cross

Separated section for embedded systems created.
Rust-cross added and raspberry pi moved to this section.

README.md

@@ -33,6 +33,7 @@ If you want to contribute, please read [this](CONTRIBUTING.md).
     - [Date and time](#date-and-time)
     - [Distributed Systems](#distributed-systems)
     - [Email](#email)
+	- [Embedded](#embedded)
     - [Encoding](#encoding)
     - [Game development](#game-development)
     - [Games](#games)
@@ -322,6 +323,15 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
 * [gsquire/sendgrid-rs](https://github.com/gsquire/sendgrid-rs) — unofficial Rust library for SendGrid API [<img src="https://travis-ci.org/gsquire/sendgrid-rs.svg?branch=master">](https://travis-ci.org/gsquire/sendgrid-rs)
 * [lettre/lettre](https://github.com/lettre/lettre) — an SMTP-library for Rust [<img src="https://travis-ci.org/lettre/lettre.svg?branch=master">](https://travis-ci.org/lettre/lettre)
 
+### Embedded
+
+[[embedded](https://crates.io/keywords/embedded)]
+
+* Cross compiling
+  * [japaric/rust-cross](https://github.com/japaric/rust-cross) — everything you need to know about cross compiling Rust programs [<img src="https://travis-ci.org/japaric/rust-cross.svg?branch=master">](https://travis-ci.org/japaric/rust-cross) 
+* Raspberry Pi
+  * [Ogeon/rust-on-raspberry-pi](https://github.com/Ogeon/rust-on-raspberry-pi) — instructions for how to cross compile Rust projects for the Raspberry Pi .
+
   
 ### Encoding
 
@@ -451,8 +461,7 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
   * [vhbit/ObjCrust](https://github.com/vhbit/ObjCrust) — using Rust to create an iOS static library [<img src="https://travis-ci.org/vhbit/ObjCrust.svg?branch=master">](https://travis-ci.org/vhbit/ObjCrust)
 * Pebble
   * [andars/pebble.rs](https://github.com/andars/pebble.rs) — a crate that allows Rust to be used to develop Pebble applications.
-* Raspberry Pi
-  * [Ogeon/rust-on-raspberry-pi](https://github.com/Ogeon/rust-on-raspberry-pi) — instructions for how to cross compile Rust projects for the Raspberry Pi .
+
   
 ### Network programming