add kaj/rust-pdf

README.md

@@ -556,6 +556,8 @@ See also [http://areweideyet.com/](http://areweideyet.com/) and [Rust and IDEs](
   * [PistonDevelopers/glfw-rs](https://github.com/PistonDevelopers/glfw-rs) — [<img src="https://travis-ci.org/PistonDevelopers/glfw-rs.svg?branch=master">](https://travis-ci.org/PistonDevelopers/glfw-rs)
   * [tomaka/glium](https://github.com/tomaka/glium) — safe OpenGL wrapper for the Rust language. [<img src="https://travis-ci.org/tomaka/glium.svg?branch=master">](https://travis-ci.org/tomaka/glium)
   * [tomaka/glutin](https://github.com/tomaka/glutin) — Rust alternative to [GLFW](http://www.glfw.org/) [<img src="https://travis-ci.org/tomaka/glutin.svg?branch=master">](https://travis-ci.org/tomaka/glutin)
+* PDF
+  * [kaj/rust-pdf](https://github.com/kaj/rust-pdf) — [<img src="https://travis-ci.org/kaj/rust-pdf.svg?branch=master">](https://travis-ci.org/kaj/rust-pdf)
 * [Vulkan](https://www.khronos.org/vulkan/) [[vulkan](https://crates.io/keywords/vulkan)]
   * [tomaka/vulkano](https://github.com/tomaka/vulkano) [[vulkano](https://crates.io/crates/vulkano)] — [<img src="https://travis-ci.org/tomaka/vulkano.svg?branch=master">](https://travis-ci.org/tomaka/vulkano)