add global font weights and sizes

Author: its-me-abhishek

lib/config/taskwarriorfonts.dart

@@ -0,0 +1,20 @@
+import 'package:flutter/material.dart';
+
+class TaskWarriorFonts {
+  // Font weights
+  static const FontWeight thin = FontWeight.w100;
+  static const FontWeight extraLight = FontWeight.w200;
+  static const FontWeight light = FontWeight.w300;
+  static const FontWeight regular = FontWeight.w400;
+  static const FontWeight medium = FontWeight.w500;
+  static const FontWeight semiBold = FontWeight.w600;
+  static const FontWeight bold = FontWeight.w700;
+  static const FontWeight extraBold = FontWeight.w800;
+  static const FontWeight black = FontWeight.w900;
+
+  // Font sizes
+  static const double fontSizeSmall = 12.0;
+  static const double fontSizeMedium = 16.0;
+  static const double fontSizeLarge = 20.0;
+  static const double fontSizeExtraLarge = 24.0;
+}