Update pubspec.yaml

Author: tilucasoli

packages/mix/pubspec.yaml

@@ -2,6 +2,7 @@ name: mix
 description: An expressive way to effortlessly build design systems in Flutter.
 version: 1.6.0
 homepage: https://github.com/leoafarias/mix
+repository: https://github.com/conceptadev/mix
 
 environment:
   sdk: ">=3.6.0 <4.0.0"