Add MSS Pitch step

[MAILPOET-2142]

assets/js/src/wizard/steps/pitch_mss/step.jsx

@@ -0,0 +1,16 @@
+import PropTypes from 'prop-types';
+import React from 'react';
+import MailPoet from 'mailpoet';
+
+const Step = (props) => (
+  <div className="mailpoet_welcome_wizard_step_content">
+
+  </div>
+);
+
+Step.propTypes = {
+  next: PropTypes.func.isRequired,
+  subscribersCount: PropTypes.number.isRequired,
+};
+
+export default Step;

assets/js/src/wizard/steps_numbers.jsx

@@ -1,6 +1,6 @@
 
 export const getStepsCount = () => {
-  let stepsCount = 3;
+  let stepsCount = 4;
   if (window.is_woocommerce_active) {
     stepsCount += 1;
   }

assets/js/src/wizard/welcome_wizard_controller.jsx

@@ -7,6 +7,7 @@ import WelcomeWizardMigratedUserStep from './steps/migrated_user_step.jsx';
 import WelcomeWizardEmailCourseStep from './steps/email_course_step.jsx';
 import WelcomeWizardUsageTrackingStep from './steps/usage_tracking_step.jsx';
 import WelcomeWizardWooCommerceStep from './steps/woo_commerce_step.jsx';
+import WelcomeWizardPitchMSSStep from './steps/pitch_mss/step.jsx';
 import WelcomeWizardStepLayout from './steps/step_layout.jsx';
 
 import CreateSenderSettings from './create_sender_settings.jsx';
@@ -152,6 +153,20 @@ const WelcomeWizardStepsController = (props) => {
           </WelcomeWizardStepLayout>
         ) : null
       }
+
+      { step === 5
+        ? (
+          <WelcomeWizardStepLayout
+            step={step}
+            stepsCount={stepsCount}
+            illustrationUrl={window.wizard_tracking_illustration_url}
+          >
+            <WelcomeWizardPitchMSSStep
+              next={() => redirect(step)}
+            />
+          </WelcomeWizardStepLayout>
+        ) : null
+      }
     </div>
   );
 };