regroup IDEs

README.md

@@ -197,11 +197,14 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
 
   * [Atom](https://atom.io/)
     * [zargony/atom-language-rust](https://github.com/zargony/atom-language-rust)
-  * [intellij-rust](https://github.com/intellij-rust/intellij-rust) — an [IntelliJ](https://www.jetbrains.com/idea/)-based IDE for Rust [<img src="https://travis-ci.org/intellij-rust/intellij-rust.svg?branch=master">](https://travis-ci.org/intellij-rust/intellij-rust)
-  * [PistonDevelopers/VisualRust](https://github.com/PistonDevelopers/VisualRust) — a Visual Studio extension for Rust [<img src="https://travis-ci.org/PistonDevelopers/VisualRust.svg?branch=master">](https://travis-ci.org/PistonDevelopers/VisualRust)
+  * [Eclipse](https://eclipse.org/)
+    * [RustDT](https://github.com/RustDT/RustDT) — [<img src="https://travis-ci.org/RustDT/RustDT.svg?branch=master">](https://travis-ci.org/RustDT/RustDT)
+  * [IntelliJ](https://www.jetbrains.com/idea/)
+    * [intellij-rust/intellij-rust](https://github.com/intellij-rust/intellij-rust) — [<img src="https://travis-ci.org/intellij-rust/intellij-rust.svg?branch=master">](https://travis-ci.org/intellij-rust/intellij-rust)
   * [Ride](https://github.com/madeso/ride) — [<img src="https://travis-ci.org/madeso/ride.svg?branch=master">](https://travis-ci.org/madeso/ride)
-  * [RustDT](https://github.com/RustDT/RustDT) — an [Eclipse](https://eclipse.org/)-based IDE for Rust [<img src="https://travis-ci.org/RustDT/RustDT.svg?branch=master">](https://travis-ci.org/RustDT/RustDT)
   * [SolidOak](https://github.com/oakes/SolidOak) — a simple IDE for Rust, based on GTK+ and [Neovim](https://github.com/neovim/neovim)
+  * Visual Studio
+    * [PistonDevelopers/VisualRust](https://github.com/PistonDevelopers/VisualRust) — a Visual Studio extension for Rust [<img src="https://travis-ci.org/PistonDevelopers/VisualRust.svg?branch=master">](https://travis-ci.org/PistonDevelopers/VisualRust)
   * [Visual Studio Code](https://code.visualstudio.com/)
     * [saviorisdead/RustyCode](https://github.com/saviorisdead/RustyCode)