criada alguns widgets padrões e ajustada a tela de login

lib/widgets/text_default.dart

@@ -0,0 +1,26 @@
+import 'package:flutter/material.dart';
+import 'package:rkm/utils/color_palette.dart';
+
+class TextDefault extends StatelessWidget {
+
+  String text;
+  double fontSize;
+  Color  color;
+
+  TextDefault({
+   required this.text,
+    this.fontSize = 20.0,
+    this.color = ColorPalette.border
+});
+
+  @override
+  Widget build(BuildContext context) {
+    return Text(
+      text,
+      style: TextStyle(
+        fontSize: fontSize,
+        color: color
+      ),
+    );
+  }
+}