textium: render_atlas example should render at a higher scaling

textium/examples/render_atlas.rs

@@ -23,7 +23,7 @@ fn main() {
     let font = textium::Font::new(font);
 
     let chrs = ASCII.iter().cloned().chain(ASCII.iter().cloned());
-    let (_, bitmap, _) = font.make_atlas(chrs, 20.0, 1, 256, 128);
+    let (_, bitmap, _) = font.make_atlas(chrs, 64.0, 1, 256, 128);
 
     let img: ImageBuffer<Luma<u8>, _> = ImageBuffer::from_raw(bitmap.width() as u32, bitmap.height() as u32, bitmap.raw()).unwrap();
     let _ = img.save(&Path::new("atlas.png"));