Conflitos resolvidos: mantido o código local

lib/utils/size_extension.dart

@@ -1,15 +1 @@
-import 'package:flutter/material.dart';
-import 'dart:math' as math;
-
-// Esta extensão adiciona o superpoder "sf" ao BuildContext
-extension SizeExtension on BuildContext {
-  
-  double get sf {
-    final double wScreen = MediaQuery.of(this).size.width;
-    final double hScreen = MediaQuery.of(this).size.height;
-    
-    // Calcula e devolve a escala na hora!
-    return math.min(wScreen, hScreen) / 400;
-  }
-  
-}
+// TODO Implement this library.