Add authentication view for billing portal v3

resources/views/billing-portal/v3/authentication.blade.php

@@ -0,0 +1,32 @@
+<div>
+    @if (session()->has('message'))
+        @component('portal.ninja2020.components.message')
+            {{ session('message') }}
+        @endcomponent
+    @endif
+
+    @if($state['code'] === false)
+    <form wire:submit="authenticate">
+        @csrf
+
+        <label for="email_address">
+            <span class="input-label">{{ ctrans('texts.email_address') }}</span>
+            <input wire:model="email" type="email" class="input w-full" />
+
+            @error('email')
+            <p class="validation validation-fail block w-full" role="alert">
+                {{ $message }}
+            </p>
+            @enderror
+        </label>
+
+        <button 
+            type="submit"
+            class="button button-block bg-primary text-white mt-4">
+                {{ ctrans('texts.next') }}
+        </button>
+    </form>
+    @else
+        <p>We have sent a code to {{ $email }} enter this code to proceed.</p>
+    @endif
+</div>