Safety dance (#50)

* Update Cargo.lock

* Forbid unsafe

* Update README

Cargo.lock

@@ -798,7 +798,7 @@ dependencies = [
 
 [[package]]
 name = "pixels"
-version = "0.0.2"
+version = "0.0.3"
 dependencies = [
  "beryllium 0.1.2 (registry+https://github.com/rust-lang/crates.io-index)",
  "byteorder 1.3.2 (registry+https://github.com/rust-lang/crates.io-index)",

README.md

@@ -1,4 +1,5 @@
 [![Build Status](https://travis-ci.org/parasyte/pixels.svg?branch=master)](https://travis-ci.org/parasyte/pixels)
+[![unsafe forbidden](https://img.shields.io/badge/unsafe-forbidden-success.svg)](https://github.com/rust-secure-code/safety-dance/)
 
 ![Pixels Logo](img/pixels.png)
 
@@ -20,6 +21,7 @@ Rapidly prototype a simple 2D game, pixel-based animations, software renderers,
 ## Examples
 
 - [Conway's Game of Life](./examples/conway)
+- [Minimal example with SDL2](./examples/minimal-sdl2)
 - [Minimal example with `winit`](./examples/minimal-winit)
 - [Pixel Invaders](./examples/invaders)
 

src/lib.rs

@@ -10,6 +10,7 @@
 //! [`winit`](https://crates.io/crates/winit) is a good place to start.
 
 #![deny(clippy::all)]
+#![forbid(unsafe_code)]
 
 use std::cell::RefCell;
 use std::error::Error as StdError;