Pixed - new pixelart tool

Signed-off-by: Mateusz Nejman <[email protected]>

Author: Mateusz-Nejman

collections/pixel-art-tools/index.md

@@ -15,6 +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