resolves #124 (#126)

lib/presentation/auth/auth_screen.dart

@@ -81,7 +81,7 @@ class _AuthPageState extends State<AuthPage> {
                 child: Column(
                   children: [
                     SizedBox(
-                      height: 470.0,
+                      height: 520.0,
                       child: PageView(
                         controller: _pageController,
                         physics: const NeverScrollableScrollPhysics(),

lib/presentation/auth/widgets/legal_notice.dart

@@ -0,0 +1,61 @@
+import 'package:flutter/gestures.dart';
+import 'package:flutter/material.dart';
+import 'package:url_launcher/url_launcher.dart';
+
+class LegalNotice extends StatelessWidget {
+  const LegalNotice({
+    Key? key,
+  }) : super(key: key);
+
+  @override
+  Widget build(BuildContext context) {
+    const textStyle = TextStyle(color: Color(0xFF666666));
+    return RichText(
+      textAlign: TextAlign.center,
+      text: TextSpan(
+        children: [
+          const TextSpan(
+            text: "By clicking the next button, you agree to CollAction’s ",
+            style: textStyle,
+          ),
+          TextSpan(
+            style: textStyle.copyWith(decoration: TextDecoration.underline),
+            text: "terms & conditions",
+            recognizer: TapGestureRecognizer()
+              ..onTap = () async {
+                const url = "https://www.collaction.org/terms";
+                if (await canLaunch(url)) {
+                  await launch(
+                    url,
+                    forceSafariVC: false,
+                  );
+                }
+              },
+          ),
+          const TextSpan(
+            style: textStyle,
+            text: " and to our ",
+          ),
+          TextSpan(
+            style: textStyle.copyWith(decoration: TextDecoration.underline),
+            text: "privacy policy",
+            recognizer: TapGestureRecognizer()
+              ..onTap = () async {
+                const url = "https://www.collaction.org/privacy";
+                if (await canLaunch(url)) {
+                  await launch(
+                    url,
+                    forceSafariVC: false,
+                  );
+                }
+              },
+          ),
+          const TextSpan(
+            style: textStyle,
+            text: ".",
+          ),
+        ],
+      ),
+    );
+  }
+}

lib/presentation/auth/widgets/verify_phone.dart

@@ -4,6 +4,7 @@ import 'package:flutter_bloc/flutter_bloc.dart';
 import '../../../application/auth/auth_bloc.dart';
 import '../../shared_widgets/phone_input.dart';
 import '../../shared_widgets/rectangular_button.dart';
+import 'legal_notice.dart';
 
 class VerifyPhonePage extends StatefulWidget {
   const VerifyPhonePage({Key? key}) : super(key: key);
@@ -69,6 +70,8 @@ class VerifyPhonePageState extends State<VerifyPhonePage> {
                 ),
               ],
             ),
+            const SizedBox(height: 20),
+            const LegalNotice(),
           ],
         );
       },