chore: Add localizations to signup page

assets/l10n/intl_en.arb

@@ -1,6 +1,15 @@
 {
   "@@locale": "en",
   "@@last_modified": "2021-08-14 12:38:37.885451",
+  "passwordsDoNotMatch": "Passwords do not match!",
+  "pleaseEnterValidEmail": "Please enter a valid email address.",
+  "repeatPassword": "Repeat password",
+  "pleaseChooseAtLeastChars": "Please choose at least {min} characters.",
+  "@pleaseChooseAtLeastChars": {
+    "type": "text",
+    "placeholders": {
+      "min": {}}
+  },
   "about": "About",
   "@about": {
     "type": "text",

lib/pages/signup.dart

@@ -45,7 +45,7 @@ class SignupPageController extends State<SignupPage> {
       return L10n.of(context).chooseAStrongPassword;
     }
     if (value.length < minLength) {
-      return 'Please choose at least $minLength characters.';
+      return L10n.of(context).pleaseChooseAtLeastChars(minLength.toString());
     }
     return null;
   }
@@ -55,14 +55,14 @@ class SignupPageController extends State<SignupPage> {
       return L10n.of(context).chooseAStrongPassword;
     }
     if (value != passwordController.text) {
-      return 'Passwords do not match!';
+      return L10n.of(context).passwordsDoNotMatch;
     }
     return null;
   }
 
   String emailTextFieldValidator(String value) {
     if (value.isNotEmpty && !value.contains('@')) {
-      return 'Please enter a valid email address.';
+      return L10n.of(context).pleaseEnterValidEmail;
     }
     return null;
   }

lib/pages/views/signup_view.dart

@@ -73,10 +73,10 @@ class SignupPageView extends StatelessWidget {
                   controller: controller.passwordController2,
                   obscureText: true,
                   validator: controller.password2TextFieldValidator,
-                  decoration: const InputDecoration(
-                    prefixIcon: Icon(Icons.repeat_outlined),
+                  decoration: InputDecoration(
+                    prefixIcon: const Icon(Icons.repeat_outlined),
                     hintText: '****',
-                    labelText: 'Repeat password',
+                    labelText: L10n.of(context).repeatPassword,
                   ),
                 ),
               ),