Added internet permission and better message from api call

lib/features/account/signup.dart

@@ -89,7 +89,8 @@ class _SignupState extends ConsumerState<Signup> {
                     }
                     return null;
                   },
-                  text: 'Email: (optional)',
+                  text: 'Email:',
+                  subtext: '(optional)',
                   index: 2),
               generateTextField(
                   controller: passwordController,
@@ -169,6 +170,7 @@ class _SignupState extends ConsumerState<Signup> {
 
   Widget generateTextField({
     required String text,
+    String? subtext,
     String? label,
     required int index,
     required TextEditingController controller,
@@ -182,9 +184,15 @@ class _SignupState extends ConsumerState<Signup> {
         children: [
           Padding(
             padding: const EdgeInsets.all(8.0),
-            child: Text(
-              text,
-              style: TextStyle(fontSize: size.width < 350 ? 16 : 20),
+            child: Column(
+              children: [
+                Text(
+                  text,
+                  style: TextStyle(fontSize: size.width < 350 ? 16 : 20),
+                ),
+                if (subtext != null)
+                  Text(subtext, style: const TextStyle(fontSize: 12)),
+              ],
             ),
           ),
           const Spacer(),