feat: add footer to other Ansible emails

website/source/_daily_emails/2022-09-02.md

@@ -16,3 +16,7 @@ It also doesn't just work on servers. I use Ansible to configure my local develo
 Lastly, I use Ansible to deploy application code onto servers and automatically run any required steps, ensuring that deployments are simple, robust and repeatable.
 
 In the next few emails, I'll explain how I've been able to utilise Ansible for each of these situations.
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+---
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+Want to learn more about how I use Ansible? [Register for my upcoming free email course]({{site.url}}/ansible-course).

website/source/_daily_emails/2022-09-03.md

@@ -50,3 +50,7 @@ If you needed to create a separate database server or another server for a new e
 This doesn't apply just to servers - you can also use Ansible to create security groups and S3 buckets, manage SSH keys, firewalls, and load balancers.
 
 Once we have our infrastructure in place, we can start using Ansible to set and manage its configuration, which we'll do in tomorrow's email.
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+---
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+Want to learn more about how I use Ansible? [Register for my upcoming free email course]({{site.url}}/ansible-course).

website/source/_daily_emails/2022-09-04.md

@@ -20,4 +20,4 @@ Very quickly, you can get a full stack installed and configured - ready to serve
 
 ---
 
-If you want to learn more about how I use Ansible, [register for my upcoming free email course]({{site.url}}/ansible-course).
+Want to learn more about how I use Ansible? [Register for my upcoming free email course]({{site.url}}/ansible-course).