Update index.md

Signed-off-by: Mateusz Nejman <mateusz_nejman@hotmail.com>

Author: Mateusz-Nejman

collections/pixel-art-tools/index.md

@@ -2,7 +2,6 @@
 items:
  - aseprite/aseprite/
  - piskelapp/piskel/
- - Mateusz-Nejman/Pixed/
  - jvalen/pixel-art-react/
  - maierfelix/poxi/
  - gmattie/Data-Pixels/
@@ -16,6 +15,7 @@ items:
  - PixiEditor/PixiEditor
  - Kully/pixel-paint
  - pixa-pics/pixa-pics.github.io
+ - Mateusz-Nejman/Pixed/
 display_name: Pixel Art Tools
 created_by: leereilly
 image: pixel-art-tools.png