Add welcome page for Drupal testing course

source/_includes/email-course-form.html.twig

@@ -10,7 +10,59 @@
   data-uid="{{ uid }}"
   data-format="inline"
   data-version="5"
-  data-options='{"settings":{"after_subscribe":{"action":"message","success_message":"Success! Now check your email to confirm your subscription.","redirect_url":""},"analytics":{"google":null,"fathom":null,"facebook":null,"segment":null,"pinterest":null,"sparkloop":null,"googletagmanager":null},"modal":{"trigger":"timer","scroll_percentage":null,"timer":5,"devices":"all","show_once_every":15},"powered_by":{"show":true,"url":"https://convertkit.com/features/forms?utm_campaign=poweredby&utm_content=form&utm_medium=referral&utm_source=dynamic"},"recaptcha":{"enabled":false},"return_visitor":{"action":"show","custom_content":""},"slide_in":{"display_in":"bottom_right","trigger":"timer","scroll_percentage":null,"timer":5,"devices":"all","show_once_every":15},"sticky_bar":{"display_in":"top","trigger":"timer","scroll_percentage":null,"timer":5,"devices":"all","show_once_every":15}},"version":"5"}'
+  data-options='{
+    "settings": {
+      "after_subscribe": {
+        "action": "redirect",
+        "success_message": "Success! Now check your email to confirm your subscription.",
+        "redirect_url": "{{ site.url }}/atdc-welcome"
+      },
+      "analytics": {
+        "google": null,
+        "fathom": null,
+        "facebook": null,
+        "segment": null,
+        "pinterest": null,
+        "sparkloop": null,
+        "googletagmanager": null
+      },
+      "modal": {
+        "trigger": "timer",
+        "scroll_percentage": null,
+        "timer": 5,
+        "devices": "all",
+        "show_once_every": 15
+      },
+      "powered_by": {
+        "show": true,
+        "url": "https://convertkit.com/features/forms?utm_campaign=poweredby&utm_content=form&utm_medium=referral&utm_source=dynamic"
+      },
+      "recaptcha": {
+        "enabled": false
+      },
+      "return_visitor": {
+        "action": "show",
+        "custom_content": ""
+      },
+      "slide_in": {
+        "display_in": "bottom_right",
+        "trigger": "timer",
+        "scroll_percentage": null,
+        "timer": 5,
+        "devices": "all",
+        "show_once_every": 15
+      },
+      "sticky_bar": {
+        "display_in": "top",
+        "trigger": "timer",
+        "scroll_percentage": null,
+        "timer": 5,
+        "devices": "all",
+        "show_once_every": 15
+      }
+    },
+    "version": "5"
+  }'
   min-width="400 500 600 700 800"
 >
   <div data-style="clean">

source/_pages/atdc-welcome.md

@@ -0,0 +1,23 @@
+---
+title: Welcome to the Test-Driven Drupal email course
+meta:
+  title: Welcome to the Test-Driven Drupal email course | %site.name%
+---
+
+{% block head_meta %}
+<meta name="robots" content="noindex">
+{% endblock %}
+
+{% block content %}
+Hi. Thank you for registering for my Test-Driven Drupal email course.
+
+Every email will be sent from my personal email address, so if you have a question about any email, press reply, send it to me, and I'll personally respond.
+
+I'd also appreciate any feedback as you work through or complete the course.
+
+Remember to check your inbox and confirm your email address to ensure you get the lessons.
+
+In the meantime, why not [go to my daily email archive](/archive) and read some of my previous daily emails?
+
+Found this page by accident? [Consider subscribing for the course](/atdc).
+{% endblock %}