message: FAQ: Add a small note about resolution independence
diff: @@ -110,3 +110,14 @@ When you create a `Context` it will automatically look for a
  one, use that to override all the defaults you give it.
  The `files` example should demonstrate this, and more.
  +
  +# Resolution independence
  +
  +By default ggez uses a pixel coordinate system but you can change that
  +by calling something like
  +
  +```rust
  +graphics::set_screen_coordinates(&mut context, Rect::new(0.0, 0.0, 1.0, 1.0)).unwrap();
  +```
  +
  +and scaling your `Image`s with `graphics::DrawParam`.
  