add Sublime Text support (#334)

README.md

@@ -294,6 +294,9 @@ See also [Are we (I)DE yet?](https://areweideyet.com/) and [Rust and IDEs](https
     * [JustSid/AfterglowIntelliJ](https://github.com/JustSid/AfterglowIntelliJ) — custom icons
   * [Ride](https://github.com/madeso/ride) — [<img src="https://api.travis-ci.org/madeso/ride.svg?branch=master">](https://travis-ci.org/madeso/ride)
   * [SolidOak](https://github.com/oakes/SolidOak) — a simple IDE for Rust, based on GTK+ and [Neovim](https://github.com/neovim/neovim)
+  * [Sublime Text](https://www.sublimetext.com/)
+    * [rust-lang/sublime-rust](https://github.com/rust-lang/sublime-rust) — official Rust package
+    * [sublimehq/packages](https://github.com/sublimehq/Packages/tree/master/Rust) — native Sublime support (already installed)
   * [Vim](https://vim.sourceforge.io/) — the ubiquitous text editor
 	* [rust.vim](https://github.com/rust-lang/rust.vim) — provides file detection, syntax highlighting, formatting, Syntastic integration, and more.
 	* [vim-cargo](https://github.com/timonv/vim-cargo) — command bindings to quickly run cargo stuff from vim.