feat : button , outlined button

fab button , fab outlined button ,
input , pagination widget's

lib/presentation/utils/color_utils.dart

@@ -0,0 +1,24 @@
+import 'package:flutter/material.dart';
+
+extension ColorUtils on Color {
+  Color _darken([double amount = 0.1]) {
+    assert(amount >= 0 && amount <= 1, 'مقدار تیرگی باید بین 0 و 1 باشد');
+    final hslColor = HSLColor.fromColor(this);
+    final newLightness = (hslColor.lightness - amount).clamp(0.0, 1.0);
+    final hslDarkerColor = hslColor.withLightness(newLightness);
+    return hslDarkerColor.toColor();
+  }
+
+  get disabledColor{
+   return withAlpha(38);
+  }
+
+  get  hoverColor{
+    return _darken(0.5);
+  }
+
+  get  pressedColor{
+    return _darken(0.10);
+  }
+
+}