Renamed gradient button to gradient touchable container

lib/src/screens/login_screen.dart

@@ -5,7 +5,7 @@ import 'package:font_awesome_flutter/font_awesome_flutter.dart';
 
 import '../resources/authService.dart';
 import '../widgets/logo.dart';
-import '../widgets/gradient_button.dart';
+import '../widgets/gradient_touchable_container.dart';
 
 class LoginScreen extends StatelessWidget {
   final _authService = authService;
@@ -24,7 +24,7 @@ class LoginScreen extends StatelessWidget {
             ),
             Expanded(
               child: Center(
-                child: GradientButton(
+                child: GradientTouchableContainer(
                   onTap: () => onLoginButtonTap(context),
                   height: 50,
                   width: 310,

lib/src/widgets/gradient_touchable_container.dart

@@ -1,6 +1,6 @@
 import 'package:flutter/material.dart';
 
-class GradientButton extends StatelessWidget {
+class GradientTouchableContainer extends StatelessWidget {
   /// The border radius of the button.
   final double radius;
 
@@ -16,7 +16,7 @@ class GradientButton extends StatelessWidget {
   /// Function to be called when the button is pressed.
   final VoidCallback onTap;
 
-  GradientButton({
+  GradientTouchableContainer({
     this.radius = 4,
     @required this.child,
     this.height,