Rename Jinja template to remove term ‘whitelist’

See c31264d4c for rationale. To avoid confusion the codebase should use
the same terminology as the UI.

app/templates/views/api/guest-list.html

@@ -0,0 +1,72 @@
+{% extends "withnav_template.html" %}
+{% from "components/banner.html" import banner_wrapper %}
+{% from "components/table.html" import list_table, field, hidden_field_heading %}
+{% from "components/api-key.html" import api_key %}
+{% from "components/page-header.html" import page_header %}
+{% from "components/page-footer.html" import page_footer %}
+{% from "components/list-entry.html" import list_entry %}
+{% from "components/form.html" import form_wrapper %}
+
+{% block service_page_title %}
+  Guest list
+{% endblock %}
+
+{% block maincolumn_content %}
+
+  {% if form.email_addresses.errors or form.phone_numbers.errors %}
+    {% call banner_wrapper(type='dangerous') %}
+      <h1 class='banner-title'>
+        There was a problem with your guest list
+      </h1>
+      <p class="govuk-body">Fix these errors:</p>
+      <ul>
+        {% if form.email_addresses.errors %}
+          <li>
+            <a class="govuk-link govuk-link--destructive" href="#{{ form.email_addresses.name }}">Enter valid email addresses</a>
+          </li>
+        {% endif %}
+        {% if form.phone_numbers.errors %}
+          <li>
+            <a class="govuk-link govuk-link--destructive" href="#{{ form.phone_numbers.name }}">Enter valid phone numbers</a>
+          </li>
+        {% endif %}
+      </ul>
+    {% endcall %}
+  {% else %}
+    {{ page_header(
+      'Guest list',
+      back_link=url_for('main.api_integration', service_id=current_service.id)
+    ) }}
+  {% endif %}
+
+  <p class="govuk-body">
+    You and members of
+    <a class="govuk-link govuk-link--no-visited-state" href="{{ url_for('main.manage_users', service_id=current_service.id) }}">your team</a>
+    are included in the guest list automatically.
+  </p>
+
+  {% call form_wrapper() %}
+
+    <div class="govuk-grid-row">
+      <div class="govuk-grid-column-two-thirds">
+
+        {{ list_entry(
+          form.email_addresses,
+          item_name='email address',
+          autocomplete=False
+        ) }}
+
+        {{ list_entry(
+          form.phone_numbers,
+          item_name='phone number',
+          autocomplete=False
+        ) }}
+
+      </div>
+    </div>
+
+    {{ page_footer('Save') }}
+
+  {% endcall %}
+
+{% endblock %}