rearrange templates to follow new dir structure

templates/applications/new/step_3.html

@@ -0,0 +1,26 @@
+
+{% extends "applications/base.html" %}
+
+{% from "fragments/members.html" import MemberManagementTemplate %}
+{% set secondary_breadcrumb = 'portfolios.applications.new_application_title' | translate %}
+
+{% block portfolio_header %}
+  {% include "portfolios/header.html" %}
+  {{ StickyCTA(text=application.name) }}
+{% endblock %}
+
+{% block application_content %}
+    {{ MemberManagementTemplate(
+    application, 
+    members, 
+    new_member_form,
+    "applications.update_new_application_step_3",
+    user_can(permissions.CREATE_APPLICATION_MEMBER)) }}
+
+    <span class="action-group">
+      <a class="usa-button" href="{{ url_for('applications.settings', application_id=application_id) }}">  
+        Return to Application Settings
+      </a>
+    </span>
+{% endblock %}
+